Model Name-Replacement -8-Hole, 5" Hook - & - Loop Sander Backing Pad Replacement Compatible with Bosch RS035 Fitment-Compatible with: Bosch Models: ROS10 (3601C87010) 5" Palm Grip Random Orbital Sander, ROS20VS (3601C87511) 5" Variable Speed Palm Grip Random Orbital Sander Kit, ROS20VSK (3601C87511) 5" Variable Speed Palm Grip Random Orbit Sander Feature- Efficient 8-hole pad works with sanders that have a dust collection system. 8 dust collection holes that draw dust and debris into the dust bag assembly. Designed to Fit- High quality rubber pads, Hard Durometer for aggressive sanding on flat surfaces, especially with coarser abrasives Hook-Tight design ensures firm grip on pads Perfect Fit- Great for flat surfaces and quick removal, ideal for general purpose sanding and polishing