Wera bit safe 61 bitorsion 1 comprehensive torsion bits and rapidaptor holder set in pouch is designed for users on the move needing a broad selection of drive profiles with multiples of the same bit utilising a unique combination of special material hardening and precision manufacture bi torsion bits are designed to prevent premature wear and dramatically extend service lifethe patented torsion zone absorbs peak stress loads that normally destroy bits diamond coated bdc bits ensure safe