A selection of JETECH 37 PCS 1/2" with metric short and deep sockets -- perfect for everyone from DIY hobbyists to Mechanical Engineers. Tools are made with high quality hardened steel and Chrome Vanadium Alloy Steel. Includes a Quick Release Ratchet Wrench with 45 finely geared teeth, an ergonomic soft grip and a pear head shape -- perfect for a variety of professional applications. They have also been precisely manufacturedwith hardened steel made of Chrome Vanadium Alloy Steel to ensure greater strength and durability. Stored in a stable and long lasting blow mold case for convenient transportation. Socket sizes are embossed in the case for quick identification of correct size. Set Contents: 1/2" Drive Sockets, 6 pt; 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 27mm, 30mm, 32mm 1/2" Drive Deep Sockets, 6pt: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 17mm, 19mm 1/2" Drive Quick Release Ratchet Wrench, 45 teeth, with soft grip 1/2" Drive Universal Joint 1/2" Drive Hinge handle 1/2" Drive Extension Bar: 5" 1/2" Drive Sliding T-Bar 1/2" Drive Spark Plug Sockets: 16mm, 21mm 1/2" Drive Tri-Funtion Adapter: Hole: 3/8" Head: 1/2