designed for sanding applications that use body fillers, putty, and primer. The dust free sanding block featuring the hook system provide consistent results, over a wide variety of applications. This dust free Sanding Block also makes it easier to sand hard to reach, challenging areas. The design improves the efficiency of sanding by hand and reduces fatigue caused by continuous sanding. This professional quality tool also simple to change abrasives during a project. [Rotary adjustment] Hand Grinding Board has Rotary adjustment switch, adjust the suction according to different job requirements, and flexibly deal with complex tasks. [Easy to Grip]Hand Sander for Drywall, better sanding and smoothing, comfortable grip, larger contact area. [Wide application]Hand Sanding File Block,A versatile hand sanding block for using sanding or polishing in auto body and paint shops, detailing shops, woodworking wood furniture making, metalworking shops, industrial shops, drywalling. [Replacing board]Dry Grinding Push Plate, Various , improve work efficiency, effective grinding, fast and convenient, flat, convex, concave. [Fast]You can the job quickly, the sander has a comfortable grip, saves effort and is light, sands flat without slipping, saving time. Only hand sanding plate without grid sand Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:plastic Size:70 x 150MM Package Contents: 1x hand sanding block 3x replacement pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.