Our crawler harnesses are made in a #3 Colorado blade unless stated otherwise, they are approx. 36" long and come with 2 #4 red VMC octopus hooks,These harnesses also come with a quick change clevis on 10lb Trilene XL smooth casting mono line and are rigged and ready to fish right out of the package. Crawler harnesses are extremely useful when fishing for walleye. These harnesses allow the worm to stay alive and move around naturally while attracting fish.