General description The 2 Pack 5' 8 Hole Replacement Sander Backing Pad is designed for compatibility with Bosch models GEX 125-1 AE, PEX 220 A, and PEX 220 AE. These pads feature 8 holes for optimal dust extraction, ensuring a cleaner work surface and prolonging the life of your sanding discs. Technical specifications Diameter: 125mm Center hole distance: 25mm Number of holes: 8 Installation Easy to install Directly replaces worn pads Usage Provides excellent grip Ensures a smooth and polished effect Avoids damage to disc holders Other information Package includes: 2 x backing pads