Wera Ratcheting Screwdriver Handle with Assorted SAE Bits (17-Piece Set)Wera Ratcheting Screwdriver Handle with Assorted SAE Bits (17 Piece Set) SAE (Imperial) Hex Plus Bits 7 piece set with bits in a length of 89mm (3 1 2"e;) in a practical pouch 1 holder 816 RA Kraftform with ratchet function: fine toothing (8) for a small return angle, switchover ring (right, fixed, left), maximum torque of up to 50 Newton metres 1 4"e; hexagon socket head take up and Rapidaptor technology for low fatigue working and rapid bit change;