Unique C.K designed channel socket with 3/8" drive. Optimised for 21mm slotted channel using 17 and 19mm bolts. Flat sided design for easy access. Manufactured from chrome molybdenum alloy steel for strength and durability. Impact rated for high torque applications. Contents of set: Vorteck 100mm 3/8\" square to E6.3 Hex adapter, 17 and 19 mm sockets.
eBay