Hobbico Builder's Triangle Set

Hobbico Builder's Triangle Set This is the Hobbico Builder's Triangle Set. These triangles were developed specifically to deal with the measuring tasks encountered during airplane assembly. Features: Two triangles are included - 30/60° and 45° - both made of clear, durable plastic Interlocking feature allows them to stand alone to create an angle guide for squaring in two dimensions The 30/60 degree triangle features inch/metric scales, a centering gauge and a corner cutout for perfect 90 degree alignment The 45 degree triangle includes an inch scale, a protractor and a convenient balsa thickness gauge