SAFE AND SECURE GRIP: The spring loaded snap lock provides a great grip to keep the plates securely in place for a safer workout. Add the clips to dumbbells or free weights and safely perform snapshots, squats, deadlifts, and various presses.Strong and robust: These barbell collars will not slip during exercise and will last longer than many other collars on the market. Improve your balance, coordination, flexibility and endurance.LARGE FOR HOME GYMS: The compact structure of this device makes it a perfect companion for the rest of your home fitness equipment. It allows for quick plate changes and can be used on a variety of plates including steel, urethane, or rubber coated plates.VenueSpring clip for weightlifting, powerlifting, gym, fitness, weight training, strength training, triceps trainer, etc. Made from the toughest ABS plastic and spring steel, can accommodate the gym or group exercise environment.Notice: This spring collar is only designed for 25 mm. Please measure your bar before buying. Dont hesitate to ask us for help if the feather collar doesnt fit.