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🖊️ Master every curve with precision and style!
The Mr. Pen Professional Compass is a premium metal drafting tool designed for precision geometry and art. It features a spring bow head with a push-button locking mechanism to prevent unintended leg movement, an extension beam for circles up to 18 inches, and a universal adapter compatible with various writing instruments. The kit includes extra leads, spare needles, screws, and a screwdriver, all housed in a reusable pouch, ensuring durability and convenience for professionals and students alike.







| ASIN | B07MJVSB7D |
| Best Sellers Rank | #64,945 in Office Products ( See Top 100 in Office Products ) #154 in Drafting Compasses |
| Brand | Mr. Pen |
| Customer Reviews | 4.2 4.2 out of 5 stars (2,549) |
| Date First Available | 8 March 2019 |
| Item Weight | 118 g |
| Manufacturer | Mr. Pen |
| Manufacturer Part Number | GP01 |
| Material Type | Metal |
| Model number | GP01 |
| Package Dimensions | 16.99 x 7.01 x 1.7 cm; 118 g |
G**T
1. Was concerned when I read some reviews that said some screws were stripped. Actually they are NOT stripped, but free wheeling. In order to tighten, place a finger on the UNDERSIDE of the screw when tightening. Problem solved 2. I was concerned when I read that the protractor "wobbled" when the extension was attached. Only if it is NOT fully inserted into the slot and SECURED by the screw, If the screw is not secured by the above method, then it will wobble, otherwise NO problem. Works like a charm! 3. Only complaint is NOT enough information provided by the supplier. The "cute" included mustache isn't so cute when you have to solve the problems yourself and the "cute" video FAILS !
M**O
Muy bueno, estudio arquitectura y me ha funcionado para todo
P**E
Solid purchase.
烏**烏
あちこち曲がってたり、作りが雑で使いもんになんねー
D**B
Problem with many compasses is that the radius can vary during use, with the slightest bump, or uneven pressure when drawing. The Mr Pen compass is sturdy, has a sharp point and almost every movable piece can be easily secured by tightening the various screws. The only bits I couldn’t tighten, I immobilised with a little cellophane tape or electrical tape. I can now draw at least 20 circles with the same radius, without checking and readjusting the radius for each circular arc. If you’ve ever has trouble using the expensive brand-name compasses, you might be pleasantly surprised how the Mr Pen compass is *much* more reliable. I heartily recommend this compass. The only downside is the international freight cost which more than doubled the price - even with Amazon Prime - the cost is disguised in the cost of the compass, and not separately itemised. In the US, you’ll get one 1/3 of the price I paid.
Trustpilot
1 month ago
5 days ago