TINGDUANJIAN 4 PCS Dumbbell Hex Nut Spinlock Collar Spin Lock Screw Nuts Dumbbell Barbell Bar Clips for Weight Lifting

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 have 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!
Made from high density silicone rubber. Will not compress or slip. Ergonomic design will add comfort to your weightlift as well as increase muscle activation; Easy to use, 2 easy steps: 1-Spread open the grips, 2-Attach to bar, quickly convert any barbells, weight bars, pulldown ropes, and kettlebells to a thicker 2 inch grip for better training.
A thicker handle boosts your muscle stimulation which translates to bigger muscle mass and strength your forearms, hands and the entire upper body.

EXTREME GRIP TECHNOLOGY! Fitted with our revolutionary rubber inner grips, to hold onto your bar no matter what! Once locked, our clamps will stay on!
KEEP THE INTENSITY UP AND SAVE TIME! Switching weights will be the least of your worries. With our quick lock system, all you have to do is unlock the collar clamps from your barbell or dumbell, load on your weight and lock on your clamps!
IDEAL FOR ALL GYM USERS! Whether you’re an average gym goer or a gym veteran, our weight lifting clip clamps allow you to keep the intensity up through quick weight changes!