Locking flex head handle provides adjustable angles giving greater access. Design allows for 40 percent more strength than conventional square drive ratchets. Ratchet head is up to 50 percent slimmer than conventional ratchets. Pass thru ratchet and socket system eliminates the need for deep sockets. Longer length for improved reach and torque Includes 1/2" drive sizes: 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-1/4" sockets; 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 24mm, 27mm, 30mm and 32mm sockets; 1/2" Square Drive Quick-Release Adapter and 6" Hollow Extension. Packaged in a blow molded case.