7PCS Professional Drawing Math Geometry Tool Circles Stainless Steel

Description: Math Set, It's a . equipped with an adjusting wheel and an extension beam with an automatic , allowing you to accurately set and hold the desired circle size. With universal adapter and extension beam For math, geometry, art, drafting and drawing.By turning the middle of the screw to adjust the opening and closing . You can accurately set the size of the circle you need and hold it The extension beam for drawing large circles, great for those need circle. Also includes a small can be used in the slip handle or separately Everything packaged nicely in reusable clear case to protect and keep tools in place, easy to carry and store Excellent for use in school or at home. The drawing tool for engineers, draftsmen, teacher, student, , mathematician, carpenter etc. Specification: Material: Metal, Size: - 1x17cm/0.4x6.7inch, 1x12cm/0.4x4.7inch Package Includes: 2 Pieces Graphic 1 Piece Extension Bar 1 Piece Drawing Pen 1 Piece Pencil Clip 1 Box Pencil Refill 1 Piece Pencil

Circle Drafting with Extension Bar Professional Geometry Drawing Tool Student Engineer Worker Statiry Supplies