DESIGNED FOR VIM 11MM & 13MM DOUBLE BOX. REVERSIBLE RATCHET DUAL DRIVE SOCKETS. RW1113 is DESIGNED WITH A 11MM & 13MM DOUBLE BOX REVERSIBLE RATCHET, 15° OFFSET HEADS FOR CLEARANCE AND 72 TOOTH RATCHET. SOCKETSWIRE CLIP SOCKET RETENTION TO LOCK SOCKET IN PLACE. USE WITH VIM 1/4” DUAL DRIVE SOCKETS SETS. LIMITED LIFETIME WARRANTY