Are extra leads easily available, if needed?

Hi, Thank you for your question. You can just message us on Amazon or email us and we will ship you extra lead anytime. free of charge.

How small is the smallest drawable circle?

I just drew a circle in the all-the-way closed position. It was 5/8".

No matter how much i tighten the screws, both the lead and needle push up when i try to draw a circle. how can i prevent this?

When I replace the lead I make sure the screws are loose enough for me to slide the lead all the way to the back of the compass. Then tighten it slowly and make sure the lead hasn’t moved while I tighten it more. I had the same problem when I first replaced the lead but found the right way to tighten the lead.

Can you use chalk instead of lead?

No. The holder on the compass isn't big enough. If you wand to tape chalk to the arm it might work,

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Professional Compass for Geometry, Extra Lead | Metal Compass Drawing Tool for Students, Drafting and Engineering, Technical Drawings, Circles and Geometry Projects

Product ID: 57001430

Details

Age Range (Description)
All Ages
Brand
Mr. Pen
Color
Blue
Ink Color
Blue
Material
Metal

📏0.5mm ultra-precise line width

🔋lifetime free lead replacement

⚙️spring bow head for stable leg control

Rp554036

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Master your angles with precision and style!

ON THE GO GEOMETRY - Compact, reusable clear pouch makes carrying and storing effortless.
TRUSTED BY THOUSANDS - Ranked #5 in Drafting Compasses with 4.4-star rating from 8,494 users.
NEVER RUN OUT OF LEAD - Includes 2 spare leads plus FREE lifetime lead replacements—stay sharp always.
BUILT TO LAST A LIFETIME - All-metal nickel-plated body ensures durability and a sleek professional look.
PINPOINT PRECISION EVERY TIME - Spring bow head and center wheel lock prevent slip-ups for flawless circles.

The Mr. Pen Professional Compass is a premium metal drafting tool designed for students, engineers, and creatives. Featuring a spring bow head for stable leg positioning, 0.5mm line precision, and lifetime free lead replacements, it combines durability with convenience. Packaged in a reusable pouch, it’s perfect for precise geometry, technical drawings, and on-the-go use.

Specifications

ASIN	B079DXZS1V
Additional Features	Portable
Age Range Description	All Ages
Best Sellers Rank	#3,012 in Office Products ( See Top 100 in Office Products ) #5 in Drafting Compasses
Brand Name	Mr. Pen
Color	Blue
Customer Reviews	4.4 4.4 out of 5 stars (8,494)
Grip Type	Smooth
Included Components	2 Pieces Of Spare Lead, 2 Pieces Of Spare Screws
Ink Color	Blue
Item Diameter	7.5 inches
Item Dimensions	6.5 x 3.1 x 0.04 inches
Line Size	0_5mm
Manufacturer	Mr. Pen
Material Type	Metal
Model Number	GL01
Recommended Uses For Product	Drafting, Geometry
UPC	860941000497

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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