Keep your scrubbing and buffing pads in place with a plastic floor pad driver block that fits most rotary floor machines. The pad holder ensures that your scrubbing pads are securely gripped, even at the top speed. The unevenly trimmed, 1/2-inch poly nodules ensure secure scrub pad attachment. Pre-installed clutch plate is easy to attach to the machine. Made with a durable plastic block and riser for repeated and lasting use.