7-piece tap bit set in a robust 9499 folding pouch. For cutting metric threads. The hexagonal shaft of the bits allows very good power transmission. The granular material elasticity ensures long service life. Perfect chip removal and low risk of tilting. The Rapidaptor ensures lightning-fast bit changes without any extra tools. 1/4" hexagon, suitable for holding tools as per DIN ISO 1173-D 6.3.