About the product
- Independent packaging: each match compass comes with a clear box, contain 1 piece geometry compass and 1 box refills(2 pieces) packaged in which is very convenient for you to organized the compass kit
- Professional Metal Compass:suitable for school geometry woodwork, carpentry, metal work, leather work, Math,handmade DIY art craft,Etc
- Easy to operate:loosen the iron disc in the middle of the side and rotate it for 180 degrees. Take off the metal needle and replace it with lead refill,then tighten the disc on the side, and you can easily draw a circle. The distance between two feet can control the size of diameter
- Suitable size: the compass is in size of 11 x 1.5 cm(4.33 x 0.59 inches), the refills is in size of 2.54 x 0.2 x 0.2 cm?1 x 0.08 x 0.08 inches) and the clear box is measured in size of 13 x 3 x 1.3 cm( 5.12 x 1.18 x 0.51 inches) , all of them are proper for most pencil case to carry in
- Widely Applicable: you can use these Math Compass sets on various occasions, like home, classroom, office, and they can be applied to students, teachers, designers, architects, engineers, and others
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