12 Inch Large Adjustable Compass, Professional Woodworking Compass with Locking Wing and Pencil Holder, Geometry Tool, Drawing for Circles, Metalworking, Leather Work

【Perfect Size】The drafting pencil compass measures approx. 30 cm/ 12 inches in length. The large compass makes circles between 1/2" and 20" diameter for measuring diameters, angles, and draw circles/arcs without repeat use of a ruler. It is a professional tool for carpenters and designers.  【Durable Steel Material】The large compass for geometry is made of high quality steel material, which ensures its durability and deformation resistance, so it can withstand greater pressure during use and ensure long-term accuracy and stability. Designed for demanding projects.  【Lockable Design & Anti-Slip】The large drafting compass has a lockable design, which can enable fast and smooth adjustment; Used to repeatedly measure or draw circles and arches, it won't skip or slide out of your control range. The metal tip of the tip can be firmly engraved and does not slip.  【Adjustable Distance】Pencil-marked compass can be used as a drawing tool, ideal for measuring along the diameter or accurately copying. Users can adjust the distance between the two legs of the compass as needed to adapt to different drawing needs. This flexibility makes drawing more efficient. 【Widely Use】With lockable wings and pencil holder, wing dividers are widely used for precision circle marking, leather edge marking, iron plate and steel plate marking, measuring and dividing lines and other scribing operations. Heavy duty & good construction, a great tool for doing large carpentry work, scribe, drafting, drawing circles, metal work, and leather work.