Adjustable sanding block, incorporating hose connector for dust free sanding. Designed for use with standard 70 x 400mm hook & loop sanding strips. Can be set & fixed as flat, concave or convex depending on the angle of the surface to be sanded. Manufactured from Polyurethane (PU) material with an ABS block base. Dust outlet: 20/28mm Ø, Suitable for use with a dust extraction system, such as Part No. 92697 & 92701.