Professional extensions for commercial or occasional use 3/8" drive extension bar set Manufactured from chrome vanadium steel for strength and durability 3/8" drive so will fit any 3/8" drive sockets / ratchets Knurled rings for added grip when using in oily slippy conditions A little ball on the end of the extension bar which prevents the socket from falling off when using the item SET INCLUDES THE FOLLOWING • 1 x 3/8" drive extension bar - total length 75mm • 1 x 3/8" drive extension bar - total length 125mm • 1 x 3/8" drive extension bar - total length 250mm Comes on a plastic holder for easy storage on a wall etc...