Tap bit set in a robust plastic case, 7 pieces. For cutting metric threads. The hexagonal profile of the bit ensures very good power transfer. The finely tuned elasticity of the material guarantees a long life. Efficient chip removal and low risk of skewing. Rapidaptor enables lightning quick bit changes without the need for auxiliary tools. 1/4'' hexagonal, for holders according to DIN ISO 1173-D 6.3.