1. 3 holes hand grip design, non-slip, wear resistant and good handfeeling. 2. High quality coated barbell sheet, it is eco-friendly, hygienic. Inside solid cast iron process is strong and durable. 3. Smooth loading and unloading of metal snaps, anti-friction and more durable, it will not cause wear due to repeated disassembly of barbell pieces. 4. Help to keep weight plates securely and safely while lifting. 5. Perfect equipment for fitness weightlifting exercise. The tri grip weight plates have been expertly designed for high level performance to withstand highly repetitive usage for even the most hardened of weightlifting enthusiasts. The rubber Olympic weight plates are specifically designed to prevent flooring from impact damage caused by plate droppages. The rubber finish also helps to reduce impact noise for a quieter, less obstructive workout in your home gym space. Revolution tri grip Olympic weight plates feature 3 handles built into the edges of the plate, enabling users to perform a range of compound and isolated movements without a barbell or dumbbell, improving stability and control as well as overall strength and fitness.The tri grip weight plates feature a 2" / 50 mm diameter bore hole designed for use with Olympic style barbells and dumbbells and curl bars.