For use with 5" Hookit clean sanding discs 5" Hookit dust free discs and 5" Hookit discs. Constructed of a soft durable foam. When used with a clean sanding Hookit backup pad it increases conformability allowing the technician to follow contours and get in closer to most edges while maximizing dust extraction. The same increased conformability is obtained when using non vacuum Hookit discs. Measures 5" diameter by 0.50" thick. Attachment type: Hookit. 3/4" Center hole diameter. Black color. Density rating: soft. Face color: black. Form type: fabricated - clean sanding. Function/attachment style: hook and loop coated abrasives. Hook type: 3. Max OPM: 12000. Maximum rpm: 12000. Number of holes: 31. Product form: interface. Type: dust control.