Build more grip strength and develop forearm, upper arms and whole upper body. Less stress on joints, elbow, wrists Reduces joint pain by shifting the stress off the joints by spreading the weight across a larger surface area and onto the muscles and relieves stress and pressure on wrists, hands, and fingers. The yuhqc grip unique design puts you into a neutral grip position, which is proven to reduce elbow strain. Convert any regular dumbbell, barbell, Weight Bar, push up bar, cable attachment or any other bar into thick bar training. A thicker handle boosts your muscle which translates to bigger muscle mass and strength your forearms, hands and the entire upper body. Made from high density silicone rubber. Will not compress or slip. Ergonomic design will add comfort to your weight lift as well as increase muscle activation; Easy to use, 2 steps: 1-Spread open your grips, 2-Attach to bar, quickly convert any barbells, weight bars, pulldown ropes, and kettlebells to a thicker 2 inch grips for better training. 2.2 inch (5.5 cm) thick when closed,1 inch (2.5cm) inner diameter, 4.7 inch long, That's big enough fit for your hands and small enough to fit in stander every dumbbell; Can be attached to virtually any barbell, dumbbell, cable machine, kettle bell. Easy to attach and detach in seconds. Use them on all your fitness equipment and add versatility to your entire gym!.Date First Available: November 6, 2016. Best Sellers Rank: #266,672 in Sports & Outdoors. Customer Reviews: 4.5 out of 5 stars 264 ratings 4.5 out of 5 stars. : B07W8MPD6D. Part Number: ?M. Manufacturer: ?yuhqc. Color: ?Black. Brand Name: ?yuhqc. Item Weight: ?0.3 Kilograms. Package Weight: ?0.32 Kilograms. Item Package Dimensions L x W x H: ?4.5 x 4 x 2 inches.