how do you use this thing, do you need to twist it to turn it on? Only, I've tried just pushing it, and nothing happened?

Hi Scott, Hope you're well. There's a small channel in the front edge of the large plastic section and a small raised plastic piece on the rear of the arrow shaped plastic section. If you line up the raised section on the rear of the arrow shaped piece and the channel on the front of the large plastic section and push hard it will engage the two sections. When the Marxman needs to be used simply put the arrow in the required hole and press firmly. Hope this helps.

Are canisters recyclable?

No, and it does have its limitations. It is difficult to use upside down, and quite a thick point for access to small holes.

Can you use it on polycarbonate surfaces

Ive used on all types of surface. The pen shoots out a powdered chalk that is hi vis. I have just taken care when removing the item marked as not to disturb the chalk so i can still see the marking. The centre in most cases will be the brightest point you can see. I wouldnt be without one (of each) of these pens now ive become use to having one in my toolbox.

Any help? Mine has stopped working. Only used it about 20 times. Has it clogged up any ideas on un clogging and getting it back working?

I've had my MarXman for about 12 months and used it loads of times, I haven't had any trouble with it. Have you kept it in a dry place as damp may have an effect on it? Try giving it a few hard knocks on a hard surface that may loosen the powder. Sorry I can't be of any more help. Best of luck.

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MarXman Chalk Non-Permanent DIY Marking Pen Tool (Deep Hole Over 45mm)

Product ID: 49586728

Details

Age range (description)
Adult
Brand
Gripit
Colour
Green
Ink colour
Clear
Material
Pigment
Model name
Marxman Deep

🌟Fluorescent chalk visible from afar

🎯Precision drill positioning

📏Marks holes 45-100mm deep

€ 15.14

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Description

🎯 Nail every drill hole with pinpoint precision—because your projects deserve perfection.

DEEP HOLE MASTERY - Effortlessly marks drilling points in holes from 45mm up to 100mm deep—no more guesswork in tight spots.
ERGONOMIC EASY USE - Designed with a comfortable grip and simple push-to-mark action for fast, mess-free precision every time.
NON PERMANENT CLEAN - Chalk marks rub off easily after use, leaving your surfaces spotless and ready for the next project.
FLUORESCENT VISIBILITY - Bright, glowing chalk ensures your marks stand out clearly on tiles, granite, plaster, and cement—even in low light or at height.
TRUSTED AWARD WINNING - Backed by expert endorsements and a 4.6-star rating from thousands of DIY pros who swear by its reliability.

The MarXman Chalk Non-Permanent DIY Marking Pen Tool (Deep Hole Over 45mm) is a professional-grade marking solution designed to accurately mark drilling points in deep holes ranging from 45mm to 100mm. Its pressurized container sprays bright fluorescent chalk visible on multiple surfaces including tiles, granite, and cement, ensuring clear, non-permanent marks that are easy to see even in challenging lighting. Ergonomically designed and highly rated by DIY experts, this tool guarantees precision and efficiency for all your home improvement and construction projects.

Specifications

ASIN	B0185Y54PI
Age Range Description	Adult
Artistic Charcoal Form	White Charcoal
Best Sellers Rank	98,914 in DIY & Tools ( See Top 100 in DIY & Tools ) 224 in Marking Tools
Body Shape	Cylindrical
Brand Name	Gripit
Colour	Green
Customer Reviews	4.6 4.6 out of 5 stars (2,284)
Drill Point	Fine
Global Trade Identification Number	00700461488750
Grip Type	Ergonomic grip
Included Components	1 x Marxman Deep Hole
Ink Base	Water
Ink Colour	Clear
Is the Product Left or Right Handed?	Ambidextrous
Item Diameter	13 Millimetres
Item Dimensions	12.5 x 2.5 x 2.5 centimetres
Item Type Name	MarXman Chalk Non-Permanent DIY Marking Pen Tool (Deep Hole Over 45mm)
Item Weight	40 Grams
Line Size	0.3mm
Manufacturer	Marxman Ltd
Material Type	Pigment
Model Name	Marxman Deep Hole
Model Number	MARXSINGLE/CBK
Product Warranty	1 year.
Recommended Uses For Product	Marked, Fixing
Special Features	Bright Ink
Style	Green
UPC	700461488750
Unit Count	1.0 count
Water Resistance Level	Not Water Resistant
Writing Instrument Form	Marker Pen
Writing Technique	chalk

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