The 3pc air impact universal joints feature drop-forged heat-treated steel. Ball/swivel action universal joints gives sockets access in tight areas. Oil-quenched black-oxide finish for durability. Holes for locking onto drive tang. Spring-loaded ball bearings securely hold sockets in place. Specially-designed for use with air tools. 1/4", 3/8" and 1/2" drive joint sizes in the set.

SKU: 7552C