godhand spin blade set set of 4Flat round molding made easy! Spinning chisel tool! Flatten round hole bottoms with ease! A spinning chisel tool that has never existed before. Excellent for use as a thin blade chisel tool. Installed on a pin vice body for flat processing of drill hole bottoms and use as a small chisel tool. A 4 piece set sizes from 1. 1 mm to 1. 4 mm. The shaft is standardized to 3mm, eliminating the need to replace the collet chuck of pin vises, resulting in easy