Hybrid swivels are excellent for trace making. These are of a very good quality and are strong, smooth and reliable. Knots should be tied to the diamond eye with the round eye trapped on the rig body. The textured barrel will hold silicone stand offs, knot protectors and the like in place. These are Size 7 which has a conservative breaking strain of about 60lb. Hybrid Eye - Textured Barrel - Black Finish. Pack of 100.