15mm Square Straight Carbide Inserts Cutters(15x15x2.5mm with Screws) Fits Spiral/Helical Planer Cutter Head Lathe Woodturning Tools.

15mm Square Shape has a 4-indexable cutting edge to remove bulk material quickly and efficiently. | Made of Tungsten Carbide, with submicron-fine grain, can ensure wear and micro crack resistance. | Each Square cutter has 4 sharp edges, if one is dull, just change it to the other side; | Carbide indexable inserts are designed to fit helical jointers/planers and helical cutter heads. | 10 Pcs Carbide Inserts and Screws, packaged in a customized plastic case for safe and easy storage.