Wera 004201 8740 C HF1 1/2″ Drive Zyklop Hexagon Allen Bit Socket Set 4-17mm
Sizes: 4, 5, 6, 7, 8, 10, 12, 14 & 17mm Hex-Plus Sockets with holding function. This is particularly helpful in difficult-to-access working areas where it is not possible to use a second hand to hold the bolt.