Grip strength is often overlooked in strength training, but it is a critical aspect to increase performance of athletes and fitness enthusiasts. Body Solid's new upgraded Cannonball Set provides several ways to increase grip strength. Product Features 3" diameter Welded steel hook Non slip red matte paint finish Strong nylon strap Sturdy carabiner for added safety, stability and customization Quickly and easily attach to home gym, cable crossovers, cable machines Dimensions: 3"L x 3"W x 3.8"H Product Weight: 2.7 lbs.