~~~ITEM~~~ ~Alvin Drafting ~Graduated Triangle Set ~Model Number: LX810G A set of clear acrylic triangles (8 3/4" 45/90° and 10" 30/60°) with 16ths of an inch graduations on two edges. Raised inking edge prevents smudging. Center cutout finger lifts. ~~~INFORMATION~~~ ~Smoke & Pet Free Home ~Feel Free To Ask Me Questions ~Be Sure To Check Out My Other Listings