This Medium & Coarse Foam Sanding Block is an ideal addition to anyone's tools, whether it be for the garden, garage or DIY. It can be used wet or dry for sanding almost any type of material, flat or contoured. The dimensions are 70 x 100 x 25mm. This product comes with a LIFETIME warranty for all hand tools and a 3 YEAR warranty for power tools, air & petrol tools.