The Astro Tools 78244 11-Piece 1/2" Drive Nano pinless Universal impact sockets - metric are made from cro-mo. The pinless design in these sockets allow for a full 360°of freedom for the Universal head to angle and rotate. As a result, the hex ball swivel design takes more abuse than the "winged" Designs by transferring more of the impact force to the bolt itself. This set includes one aluminum socket holder and pinless Universal impact sockets in the following sizes: 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 24mm
Pinless design allows a full 360° of freedom for the universal head to angle and rotate Astro's Nano form factor and "Anti-Floppy" design prevents feeling loose after heavy use but may feel stiffer out of the box before worn in Swivel hex design transfers impact forces more efficiently with greater durability Forged CRO-MO Includes one aluminum socket holder and pinless universal impact sockets in the following sizes: 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 21mm, 22mm, 24mm