Sharpie Magnum Permanent Markers – Heavy-Duty Office Supply for Shipping Departments, Wide Chisel Tip Black 12 Count
Sharpie Magnum Permanent Markers – Heavy-Duty Office Supply for Shipping Departments, Wide Chisel Tip Black 12 Count
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Why you'll love it
- Oversized 3/4-inch chisel tip covers wide areas fast, ideal for poster-size writing
- Unique wet and oily surface formula works where standard markers fail
- Versatile across 8+ materials (corrugate, wood, metal, foil, stone, plastic, leather) reducing the need for multiple marker types
- Bold, highly visible black lines that stand out from a distance
- Made in the USA, signaling quality and reliability
- Bulk 12-count pack delivers strong per-unit value for classrooms and teams
Perfect for
- Creating large poster boards and classroom visual aids
- Labeling corrugate boxes, lumber, and metal inventory in warehouses
- Marking wet or oily surfaces like stone, foil, and plastic on job sites
- Making bold, highly visible signs for events and announcements
- Heavy-duty DIY projects on wood, leather, and outdoor materials
Product Information
Oversized chisel tip for extra wide marks, great for poster boards
Durable, 3/4-inch felt chisel tip draws bold, highly visible lines
Specially formulated for both wet and oily surfaces, perfect for corrugate, wood, metal, foil, stone, plastic, leather and more
Made in the USA
Perfect for when info is high priority and precision is a must, Sharpie Highlighters make everything highly visible with brilliant colors in transparent, smooth, and quick-drying ink. These wide-barreled tank highlighters feature a large ink supply for dependable and long-lasting use and an easy gliding chisel tip that highlights and underlines both wide and narrow lines of text. The quick-drying ink resists smearing many pen or marker inks. And with an array of brilliant colors, Sharpie highlighters make your most important thoughts and notes jump off the page. It’s no wonder why Sharpie is the got-to-have highlighter for life’s major high points.Ink Color: Black
Writing Instrument Form: Marker Pen
Point Type: Chisel
Additional Features: Waterproof
Water Resistance Level: Not Water Resistant
Line Size: 3
Hand Orientation: Ambidextrous
Is Waterproof: true
Grip Type: Comfort
Color: Black
Style: 12-count Black Magnum
Pattern: Markers
Body Shape: Rectangular
Number of Items: 1
Item Weight: 1.4 Pounds
Item Dimensions: 1 x 7.75 x 7.6 inches
Item Dimensions D x W x H: 4.7"D x 5.9"W x 3.8"H
Item Diameter: 3.38 Inches
Number of Pieces: 12
Recommended Uses For Product: Metal,Plastic,Stone,Wood
Age Range Description: All Ages
Target Audience: Adult, Kid, Youth
Model Name: Magnum Black Permenant Markers
Marker Type: Permanent Marker
Item Type Name: Permanent Marker
Included Components: ART SUPPLIES
Surface Recommendation: Leather
Material Type: Plastic
Ink Base: Alcohol
Frequently Asked Questions
Will this marker hold up during a full shift of warehouse labeling?
Yes. The alcohol-based permanent ink is quick-drying, waterproof, and built for repeated heavy use on corrugate, lumber, and metal. The ambidextrous comfort grip also reduces hand fatigue across long labeling sessions.
Does the 3/4-inch chisel tip actually save time on the job?
It does. A single stroke covers roughly three times the width of a standard fine-point marker, so workers can label boxes, pallets, and inventory much faster without retracing lines.
Can I use this in a classroom without it bleeding through poster board?
Yes. The quick-drying permanent ink lays down clean on standard poster board and foam core. Teachers get crisp, readable letters without the smearing common with regular markers.
Is this marker compatible with our existing labeling workflow?
It fits into most workflows that use hand-applied marks on corrugate, wood, metal, or plastic. If your team currently uses stenciling or printed labels, the Magnum is a strong complement for quick, on-the-fly identification.
Will one 12-pack be enough for a department or do I need to reorder?
For a small office mailroom or single classroom, a 12-pack typically lasts several months of normal use. For a busy shipping department or active job site, plan to reorder quarterly based on volume.
What is the productivity benefit of the ambidextrous comfort grip?
It allows both right- and left-handed staff to write comfortably, which matters in classrooms and team environments. The rectangular barrel also prevents rolling off workbenches and shipping desks, reducing wasted time searching for dropped markers.
How does the waterproof ink help in a shipping or warehouse setting?
Boxes and inventory are routinely exposed to moisture, condensation, and oils. Waterproof ink keeps labels legible through handling, storage, and outdoor staging, which reduces rework and mis-shipments.
Does the wet and oily surface formula really outperform standard permanent markers on the job?
Yes. Standard permanent markers bead up or smear on wet stone, oily metal, and greasy plastic. The Magnum's alcohol-based formula is engineered to bite into those surfaces, which is why crews working with raw inventory rely on it.
How does this compare to a paint marker for industrial labeling?
Paint markers can handle some rough surfaces but require more pressure, longer dry times, and frequent recapping. The Magnum is faster to deploy, more comfortable for high-volume writing, and easier to store in a pocket or pouch.
Is this better than using a label printer for short-term inventory tagging?
For fast, flexible, on-the-spot tagging where printing is impractical, yes. Label printers are great for barcodes and serialized tracking, but the Magnum is faster for ad hoc identification, especially on awkward surfaces.
How does the Magnum compare to a regular Sharpie for office productivity?
A regular Sharpie is fine for paper and light labeling. The Magnum adds the wide tip, wet-surface formula, and multi-material compatibility that offices, warehouses, and classrooms need for higher-volume or more demanding marking tasks.
What is the biggest productivity objection supervisors raise about new markers?
Smearing and fading on rough or oily surfaces. The Magnum's alcohol-based permanent ink is specifically formulated to avoid both, which is why it is widely adopted in shipping, construction, and education environments.
Will the bold black ink look unprofessional on customer-facing packaging?
For internal routing, warehouse labels, and back-of-house marking, bold black is the professional standard because it is highly scannable and readable. For outer retail packaging, most teams use printed labels and reserve the Magnum for internal use.
Is this marker too large for fine detail work on inventory tags?
Yes, the 3/4-inch chisel tip is designed for wide strokes. For fine barcode-level detail, pair it with a fine-point Sharpie. Most teams use both side by side depending on the task.
How do I get the best results from a Sharpie Magnum chisel tip marker?
Recap the marker promptly after use, store it horizontally, and press the tip firmly against the surface to fully engage the felt. For very rough materials like stone or bark, press hard enough that the felt flattens slightly to push ink into the texture.
How long does the ink take to dry, and is it really waterproof?
The alcohol-based ink typically dries in seconds on porous surfaces and within a minute on non-porous surfaces like plastic or metal. Once dry, it is waterproof and resistant to smearing, though it will eventually fade with prolonged UV exposure.
Can I revive a Magnum marker that has dried out?
Sometimes. Place the tip in a small amount of rubbing alcohol for 30 to 60 minutes, then recap and let it sit overnight. If the felt is still hardened the next day, the marker has reached end of life and should be replaced.
Does this marker work on glass and ceramic?
It can mark glass and ceramic, but because those are smooth non-porous surfaces, the ink can be scraped off more easily than on rougher materials. For permanent marks on glass, a dedicated paint marker is generally a better choice.
Is the ink safe to use on food packaging or containers?
The ink is not certified food-safe and should not be applied directly to surfaces that contact food. It is appropriate for marking the outside of corrugate boxes, storage bins, and shipping cartons, but not for labeling food containers themselves.
What is included in the box, and is anything sold separately?
The package includes 12 Sharpie Magnum permanent markers in the color you select (Black or Blue). No additional accessories are required, though many users buy a marker caddy or wall holder separately for classroom and shop organization.
Is this marker made in the USA?
Yes. Sharpie Magnum permanent markers are made in the USA, which many buyers consider a signal of consistent quality control and reliable manufacturing standards.
What is the shelf life of an unopened Magnum marker?
An unopened marker stored in a cool, dry place typically retains good ink quality for two to three years. Once opened and used, lifespan depends on how often the cap is left off and how the marker is stored.
How is a permanent marker different from a dry erase or paint marker?
Permanent markers use quick-drying alcohol-based ink that bonds to surfaces and cannot be erased. Dry erase markers use low-tack ink designed to wipe off smooth whiteboards. Paint markers use actual paint that sits on top of the surface and is often more durable but slower to dry and harder to control.
