Grappling Hooks This 3-claw stainless steel grappling hooks is a must adventure tool for outdoor activities. The diameter of the grappling hooks is : Small grappling hooks: 3.89 in diameter and 4.52 in height, Middel grappling hooks: 4.72 in diameter and 5.11 in height,Big grappling Hooks: 5.6in diameter and 7.08 in height, Max grappling hooks: 6.69 in diameter and 9.8 in height. You could use the grappling hook more easily. Durable Performance The Grappling Hooks with rope is made of best stainless steel and best nylon rope,The stainless steel claw is no slip and catch firmly and bear strongly. It is a essential tools for outdoor retrieving and indoor pulling and so on. Wide Application People could use the grappling hooks to salvage aquatic plants, anchoring , fishing , tree limb retrieving, wilderness survival activities, outdoor adventures,grapple falling objects ,heavy duty object puling as well as treasure fishing underwater and so on.