Product Name: 5 Inch Hand Sanding Block for Polishing and Grinding Size: 5 inch diameter 125mm, thickness 45mm Color: Yellow Material: Sponge The perfect sanding accessory that looks and feels like a sander should unlike distant… sanding blocks. Sanding blocks are just that, sanding blocks. can be quite handy, but keeping the sandpaper on the block can be a bit of a challenge and are downright clumsy to use. Other new "sanding blocks" clip ons that kind of work until they don't and even more types require you to buy expensive sanding belts to fit the version of a "sanding block". A unique, ergonomically designed sanding tool, so simple and so familiar in our hands, it's amazing why it took so long for someone to think of it. is made from a tough, flexible composite material, with a hook and loop base. The hook and loop base is designed to accept orbital sanding discs that most of us already have in the store. This will work with any type of sanding disc hole or even no hole sanding