Product SizeLength: 4 inches, outer diameter: 2 inches, inner diameter: 1.0 inch. Our thick bar grips fit virtually most barbells, dumbbell handles, weight bars, pull down ropes, cable machine attachments and kettlebells. This barbell grips designedfor men and womens hand size. Build Arm Size & Strength curl bar grips will help you build bigger, stronger arms and gain strength in your forearms, biceps, triceps, hands and the entire upper body. They work by wrapping around barbells, dumbbell bars, curl bar, pull-upbar, exercise machine handles and increasing their diameter. Ergonmic DesignThe diamond-shaped stripe design of dumbbell bar grips can be comfortably hold and prevents slipping. Convert any bars within seconds in 2 easy steps: 1-Spread open the grips, 2-Attach to bar. Start building more muscle! Used by Top BodybuilderOur thick barbell grips are used by many: players, bodybuilders, fighters, special forces soldiers. The dumbbell pads reduce joint pain by shifting the stress and relieves pressure on wrists, hands and fingers. Premium-grade Materials & Warranty Our dumbbell grips adapters are crafted with 100% skin safe silicone thats soft on hands and outlasts even the heaviest weights and turning each bar into a true muscle builder. Why you need a pair of our dumbbell grips ? 1:Our barbell grips will Reduce joint pain by shifting the stress from your hand fingers to your Forearms, Biceps, Chest & Triceps. Stop it from hurting your hand . More effective to Build Arm Size & Strength. 2:Our Thicker barbll grip will increase the power of your grip, ensure long time training , and you wont feel hurt. 3: dumbbell grips Relieves stress and pressure on wrists, hands, and fingers allowing for safer and more efficient training;Enhance grip, strength in your strong forearm, upper arm and the entire upper body to prevent your muscle imbalance injure. 4:Time Tested, With Science :Science has now confirmed what athletes and bodybuilders have known for decades: a thicker diameter bar causes greater muscle activation in arms which leads to incredible muscle size and strength gains. Sizes: 4 LONG x 2 OUTER DIAMETER x 1 INNER DIAMETER Perfect for men and women . fitting almost bars and dumbbells on the market. Colors: Black, Blue,Gray. Sold in pairs. HIGH-QUALITY MATERIAL: Made of rubber compound material which adds comfort and prevents slipping, 100% skin safe. How to use: Convert any bars within seconds in 2 easy steps: 1-Spread open the grips, 2-Attach to bar. How it works: Our Thick dumbbell Grips help you maintain hand positioning and form while also reducing joint pain in your hands, wrists, fingers and elbows. This relieves negative fibrous muscle tension so you can safely push through. Power through powerlifting, weightlifting or Strongman training across a variety of exercises, lifts and bars, including the barbell, dumbbell and kettlebell. Color:Blue Note: Please allow 1-3 mm error/1-488g weight error and actual product color may vary due to lighting conditions.