Professional tool for commercial or occasional use 52pc metric and imperial socket and accessory set Perfect for use as a break down kit in your car or for many household applications Metric and imperial sockets 1/4" / 3/8" and 1/2" drive socket set Manufactured from carbon steel for strength and durability SET INCLUDES THE FOLLOWING - 1 x 1/4" drive screwdriver - total length 140mm - 3 x 1/4" drive octagonal socket - 1/4", 5/16" and 3/8" - 1 x 1/4" - 3/8" adaptor reducer - 12 x 1/4" drive shallow metric sockets - 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm and 13mm - 12 x 1/4" drive shallow imperial sockets - 5/32", 3/16", 1/4", 7/32", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32" and 1/2" - 2 x 3/8" drive spark plug sockets 16mm and 21mm - 1 x 3/8" drive ratchet - reversible ratchet - total length 170mm - 1 x 3/8" extension bar - total length 75mm - 1 x 3/8" wafer / spinner - 3 x 3/8" drive shallow metric sockets - 14mm, 16mm and 17mm - 3 x 3/8" drive shallow imperial sockets - 9/16" / 11/16" and 3/4" - 1 x 1/2" drive ratchet - reversible ratchet - total length 210mm - 10 x 1/2" drive shallow metric sockets - 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm, 21mm and 22mm Comes in a blow molded case for easy storage and transportation.