set includes; (3) pin free locking u-joints: 1/4" f x 1/4" , 3/8" f x 3/8" m and 1/2" f x 1/2" m
impact grade
chrome moly construction
laser-etched markings
7 pc impact adapter and u-joint set-set includes; (3) pin free locking u-joints: 1/4" f x 1/4" , 3/8" f x 3/8" m and 1/2" f x 1/2" m-impact grade-chrome moly construction-laser-etched markings-adapters