How can a compass with 12" legs measure 30" between the points like in the picture?

It only needs to have 15" between points to make a 30" circle. 12" legs achieve that less than 90° open.

Will this accommodate a paint marker, larger than a pencil?

The holder for the pencil is about the size of a standard pencil, so I would say no. I suppose you could tape the marker to it, but it won't fit in the holder.

How do you get it to open. I received mine in the mail today and I can’t get it to spread apart

All you have to do is to simply spread it apart as needed. You may have to use a little pressure. One thing that could cause trouble is the little black locking nut on the top. Make sure it is loose first Just turn it counter-clockwise to loosen it. To fit a regular number 2 pencil in the holder, you may have to sand it down a little.

Great Compass , but we’re missing the two set screws 😥

The carpenter's 12" compass I received lacked the locking and pencil retention screws necessary for its use. I e-mailed the Mr. Pen folks to request the screws early that evening. They responded via e-mail around three the next morning apologizing for the problem and stating that if I'd send them my Amazon order number they would be happy to send me a new compass. I did so and received notification that my order had shipped that same day. Two days later I received my new compass. No hassle and prompt, cheerful customer service make this a great outfit to do business with. And yes, the product was of great quality.

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Mr. Pen- Professional Compass for Woodworking, Compass with Wing

Product ID: 214776036

Details

Brand
Mr. Pen
Color
Silver
Material
Metal
Product Dimensions
12"L x 12"W
Style
Classic

📏12-inch leg for large layouts

🔒Lockable sliding nut for precision

🛠️All-metal durable construction

EC$79

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛠️ Master your craft with precision and style — don’t settle for less!

BUILT TO ENDURE - All-metal construction delivers professional-grade durability that stands the test of time.
DRAW BIG DRAW BOLD - 12-inch legs enable circles up to 30 inches (76 cm) in diameter for expansive designs.
PRECISION THAT LASTS - Lockable sliding nut ensures repeatable, slip-free measurements every time.
EFFORTLESS PENCIL SWAP - Innovative pencil holder lets you quickly change and sharpen pencils without hassle.
VERSATILE CRAFTING POWER - Perfect for woodworking, metalwork, leather, and geometry—one tool, endless projects.

The Mr. Pen Professional Compass is a robust all-metal tool designed for precision in woodworking, metalwork, leather crafting, and geometry. Featuring 12-inch legs capable of drawing circles up to 30 inches in diameter, a lockable sliding nut for consistent measurements, and a convenient pencil holder for easy pencil changes, it combines durability with versatility to elevate your layout and drawing tasks.

Specifications

ASIN	B086RV9W72
Best Sellers Rank	#5,883 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Joint Calipers & Dividers #1,120 in Hand Tools (Tools & Home Improvement)
Brand Name	Mr. Pen
Color	Silver
Customer Reviews	4.4 4.4 out of 5 stars (3,433)
Item Dimensions L x W	12"L x 12"W
Item Highlight	Professional Carpenter Pencil Compass for Geometry, Drawing
Manufacturer	Mr. Pen
Material Type	Metal
Model	GW01
Number of Items	1
Part Number	GW01
Style Name	Classic
UPC	850016784230
Unit Count	1 Count

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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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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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TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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EC$79

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered 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 Saint Vincent and the Grenadines.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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