Features and Benefits:�Fits the following Milwaukee Tool: 6021-21 5 in. random orbit Palm sander 6034-21 5 in. random orbit sander�Applying too much pressure on the sander may cause premature wear on the hook and loop pad. when a pad needs to be replaced, simply remove the four screws that hold the pad to the sander and replace with a new pad.�Use only Milwaukee specified replacement parts to achieve maximum life and performance from your Milwaukee Tool�Durable replacement partThis pad is used to hold 5 in. hook and loop sandpaper with 8 vacuum holes. Over the past few years the popularity of hook and loop paper has grown because of the ease of changing sandpaper when needed. Over that of the PSA (Pressure sensitive sandpaper).