Dumbbell Bar Nut Strength Training Equipment Barbell Spinlock Collar Weight Bar Screw Clamp for Workout Indoor Outdoor Sports D.This dumbbell bar nut is made from quality cast iron and steel, offering durability, resistance to wear and tear, and long time use without deformationDesigned specifically for securing dumbbells, this dumbbell screw clamp is easy to install and provides stability for your strength trainingWith an inner diameter of 2.6 cm, this weight bar screw clamp is compact, portable, and fits barbells or dumbbell bar with a diameter of 2.5 cmThis barbell spinlock collar is ideal for strength training; weight lifting; adjustable dumbbell handle; straight barbell uses among othersThis strength training equipment makes a practical gift for family members or friends who enjoy weightlifting, fitness training or home workoutsDumbbell Bar Nut Replacement Supplies Barbell. Weight Bar Screw Clamp Nonslip Equipment Indoor. Barbell Spinlock Collar 2.6cm Inside Dia Home Gym. Strength Training Accessories Weight Lifting Nut. Cast Iron Buckle Outdoor Workout Fitness. [Wide application]: This barbell spinlock collar is ideal for strength training; weight lifting; adjustable dumbbell handle; straight barbell uses among others [Quality material]: This dumbbell bar nut is made from quality cast iron and steel, offering durability, resistance to wear and tear, and long time use without deformation [Dumbbell fixing nut]: Designed specifically for securing dumbbells, this dumbbell screw clamp is easy to install and provides stability for your strength training [Suitable size]: With an inner diameter of 2.6 cm, this weight bar screw clamp is compact, portable, and fits barbells or dumbbell bar with a diameter of 2.5 cm [Practical accessory]: This strength training equipment makes a practical gift for family members or friends who enjoy weightlifting, fitness training or home workouts