Professional tool for commercial or occasional use -Metric and imperial (AF / SAE) socket set -3/8" drive socket. -Single hex / 6 sided sockets -Manufactured from chrome vanadium steel for strength and durability SET INCLUDES THE FOLLOWING - 9 x AF shallow sockets - 3/8" / 7/16" / 1/2" / 9/16" / 5/8" / 11/16" / 3/4" / 13/16" and 7/8" - 10 x AF Deep Sockets - 5/16" / 3/8" / 7/16" / 1/2" / 9/16" / 5/8" / 11/16" / 3/4" / 13/16" and 7/8" - 14 x Metric Shallow Sockets - 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm / 13mm / 14mm / 15mm / 16mm / 17mm / 18mm and 19mm - 14 x Metric Deep Sockets - 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm / 13mm / 14mm / 15mm / 16mm / 17mm / 18mm and 19mm - 1 x 3/8" drive extension 75mm / 3" - 1 x 3/8" drive extension 150mm / 6" - 1 x 3/8" drive quick release reversible ratchet -Comes in a blow molded case for easy storage and transportation