Professional socket set for commercial or occasional use 1/2" drive socket and accessory set Metric sizes socket set Manufactured from chrome vanadium steel for strength and durability 10mm – 32mm socket set Shallow 6 sided / single hex sockets for maximum grip onto the nuts / bolts All of the sockets have a knurled grip on them to provide a secure grip in oily conditions SET INCLUDES THE FOLLOWING • 18 x 1/2" drive shallow sockets – 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 27mm, 30mm and 32mm • 2 x 1/2" drive extension bars – total length 125mm and 250mm • 1 x 1/2" drive UJ (universal joint) • 1 x 1/2" drive sliding T bar • 1 x 1/2" drive 21mm spark plug socket • 1 x 1/2" drive reversible, quick release ratchet total length 260mm Comes in a blow molded case for easy storage and transportation