Double Ended Ring Set - BSW 5 Piece

Made from chrome vanadium steel with a satin finish body and highly polished heads. Contents: 3/16" x 1/4", 5/16" x 3/8", 7/16" x 1/2",9/16" x 5/8" & 11/16" x 3/4" BSW. Conform to DIN 838, BS 192: 1982 & BS 3555: 1998.