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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Mr. Pen- Professional Compass for Geometry, Extra Lead

Mr. Pen- Professional Compass for Geometry, Extra Lead

Product ID: 207801654

Details

Age Range (Description)
Kid Teen Adult
Brand
Mr. Pen
Color
Silver
Material
Metal
Writing Instrument Form
Technical Pen

📏8-inch max circle diameter

🔩all-metal nickel-plated build

⚙️spring bow head for precision

HK$137

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎯 Master your geometry game with precision and style!

ON THE GO READY - Comes with a clear reusable pouch—carry your drafting essential anywhere with style.
UNSHAKABLE STABILITY - Spring bow head and center wheel lock legs in place—no slips, no errors.
EFFORTLESS ADJUSTMENTS - Smooth leg adjustments for quick, precise setups every time.
PRECISION PERFECT CIRCLES - Draw flawless circles up to 8 inches with unmatched accuracy.
DURABLE METAL CRAFTSMANSHIP - Nickel-plated all-metal body ensures lifelong reliability and a sleek professional look.

The Mr. Pen Professional Compass is a high-quality, nickel-plated metal drafting tool designed for students, engineers, and artists. It features a spring bow head and center wheel to prevent leg movement, enabling precise circles up to 8 inches in diameter. Lightweight and portable, it includes extra lead and a reusable pouch, making it an essential companion for technical drawings and geometry projects.

Specifications

ASIN	B086R77B7Y
Additional Features	Portable
Age Range Description	Kid, Teen, Adult
Best Sellers Rank	#2,945 in Office Products ( See Top 100 in Office Products ) #5 in Drafting Compasses
Brand Name	Mr. Pen
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (8,494)
Drill Point	Ultra Fine
Grip Type	Smooth
Hand Orientation	Right
Included Components	Extra Lead, Pouch
Item Diameter	8 inches
Item Weight	0.06 kg
Line Size	0.3mm
Manufacturer	Mr. Pen
Material Type	Metal
Model Number	GS01
Recommended Uses For Product	Math, Geometry, Art, Drafting, Drawing
UPC	850008597787
Unit Count	1 Count
Writing Instrument Form	Technical Pen

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

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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HK$137

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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