Compatible with Various Racks: Designed to fit 2x2, 2x3, and 3x3 power racks, as well as holes with a diameter of 0.55" to 1.5". Please check the rack dimensions and hole sizes before purchasing. New Design: The front of the product features two 5/8" hooks and one 1.25" closed ring, which can hold multiple resistance bands. The unique claws on both sides accommodate various attachment methods. Sturdy and Durable: Made from Q235 steel plate with laser cutting, this product features a high-quality black coating. The head is specially dipping plastic treated with a smooth, rounded plastic coating to better protect your resistance bands and other training equipment.