Professional tool for commercial or occasional use 3/8" drive superlock socket set 3/8" drive socket and accessory set Manufactured from chrome vanadium steel for strength and durability Metric socket set Superlock sockets so the more pressure you put onto the socket, the more it will grip the nut or bolt Especially useful for using on worn or rusty nuts and bolts Knurled ring around the sockets for maximum grip in greasy / oily conditions 22pc socket set SET INCLUDES THE FOLLOWING - 1 x 3/8" Drive ratchet - total length 200mm / reversible at the clock of a lever / quick release button on the head of the ratchet and 72 teeth so works in 5-degree increments - 2 x 3/8" drive extension bars - 75mm / 150mm - 3/8" drive sliding T Bar - 6" / 150mm - 1 x 3/8" drive universal joint - 2 x 3/8" drive spark plug sockets - 5/8" and 13/16" - 15 x metric sockets - 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm / 13mm / 14mm / 15mm / 16mm / 17mm / 18mm / 19mm and 22mm Comes in a blow molded case for easy storage and transportation