The Pearl DR-80 Rack has 4 square top rails made of black anodized aluminum which ensure that mounts won t spin or loosen once positioned. 4 large-diameter legs on the DR-80 Rack provide complete stability. Folding storage with the 4 included PC-8 clamps in place. The DR-80 rack is fully compatible with all Pearl tom and cymbal holders. An additional pipe clamp for 7/8 tubes (448973) is available (See customer purchases box).