Package Include:
(1) 5-Inch Hook and Loop Sander Backing Pad
It's a UNIVERSAL replacement pad for most brand sander backing pad with 5" dia, 8 dust holes and 3 screw holes, except bosch ROS.
Compatible Random Orbit Sanders:
DeWalt DW420/K, DW421/K, DW422/K, DW423/K, DW426/K, D26450, D26451/K, D26453/K, D26456
Makita BO5041/K, BO5010/K, BO5030/K, BO5031/K, XOB01Z
Porter Cable 343/343K/343VS/343VSK, 390/390K, 382