GYRO Yellow Backer Pads are 4" by 5/8" thick and have a thread of 5/8-11. Since the pads are 5/8" thick, the yellow foam will allow plenty of cushion for the sandpaper to roll over the edges. For instance, edges and inside bowls. Fast and durable oscillating speed operates at 15,000 RPM withstanding high frequency. Most importantly, is to achieve a consistent, smooth finish. The backing plate is made of polyurethane, flexible and very durable. Furthermore, using the Medium density foam construction provides support and flexibility for finer finishing and longer pad life. Yellow Foam Backer Pad work great wet or dry.
