Sea Dog "Fender Mate" Nylon Boat Fender AdjusterThe latest in fender brackets made of marine grade reinforced nylon. Clamps securely onto both 7/8" and 1" round tubing and 3/16" and 1/4" life line wire. Unique double locking action locks clamp onto rail or wire and still allows full adjustment of the height of the fender. When the proper height is reached, the final locking action clamps the rope quickly and securely. Uses 1/4"-5/16" line. Sold in Pairs