The York Barbell Olympic Spring Collars clamp to any York Olympic bar providing safe and secure loading of barbells. Manufactured from heavy-duty 3 mm steel the chrome plated strong clamps are quick to place on the barbell and easy to release. Large plastic prongs provide a larger surface area to squeeze clamps together for easier movement along the bar. Key Features: Simple design and easy to use. Manufactured from 3mm sprung steel Heavy duty Clamping strength to any York Olympic bar. Quick on and off release. Comfort easy to squeeze prong guides. Chrome plate finish. Sold as pairs. SPECIFICATION: Brand York Fitness Usage Home Use, Commercial Use Condition Brand New