Thick Spring Barbell Collar Clips, 25-30mm Quick Release Spring Collars, Anti-Slip Stable Dumbbell Bar Lock Clamps

These spring barbell collars fit standard barbell and dumbbell bars with 25mm to 30mm diameter. Made of thickened high-tension spring steel through integrated stamping, they are hard to deform with lasting elasticity and will not loosen after repeated opening and closing. The collars tightly lock weight plates to prevent sliding or falling off during workouts for safer weightlifting. Anti-rust polished smooth surface without burrs allows quick one-handed installation and removal, saving time when changing weights before and after training. Surround clamping design fits closely with bar shafts to avoid slipping and wobbling, perfectly suitable for high-intensity workouts including bench press, squats and deadlifts. Universal size works for home dumbbells, Olympic bars, curl bars and weightlifting bars for both home gym and commercial fitness center use. Wear-resistant and anti-corrosive, not easy to rust or break after long-term use. Multiple sizes in stock, bulk wholesale orders are available.

Applicable bar diameter: 25mm / 30mm Total width of collar: 4.2cm Spring wire thickness: 3.5mm Max opening inner diameter: 32mm Material: High-carbon thick spring steel