"EASY REMOVAL. Double-ended flip sockets offer 2 hex sizes in each socket for the removal of standard and damaged/distorted lug nuts","DURABLE. 6 point impact sockets are made from chromoly steel with black oxide finish","INCLUSIVE SET. Includes a 1/2\" drive extension, 17mm/17.5mm, 19mm/19.5mm, 21mm/21.5mm, 22mm/22.5mm, and 27mm/27.5mm sockets and a deep, thin-walled plastic coated 19mm/21mm socket","CONVENIENT STORAGE. Stored in a blow molded case 7 PIECE CHROME CAP BUSTER KIT CCBK7P | Matco Tools