Features: 6000 Pedals feature a Radius Rod Base Like the 5000, 6000 pedals feature a Bearing Spring Rocker Assembly. DW's patented Delta Ball-Bearing Hinge is a state-of-the-art lightweight aluminum design that incorporates ball bearings at both sides. The Dual Adjustable Toe Clamp ensures the pedal and drum stay connected. (same as 5000)