Specification: Material: Aluminum alloy Product size: 150x25x35mm (for sandpaper with a circumference of 330 and a width of less than 25mm) Feature: 1. Used to a variety of items: In order to achieve multi-purpose, we purposely made the product into this special shape, which is convenient for abrasives to be used in different scenarios and does not need to be replaced midway, which affects the use. 2. The need for small handicrafts: No more traditional large sanding blocks, sponge sandpaper and sandpaper sticks, which become laborious when sanding small objects, making your sanding work tedious and inefficient. Mini wood sanding blocks are more suitable for crafts, leather, carving, etc. Good sanding tool. 3. Hand screw design makes it easy to change and fix sandpaper without sticking,wrinkling or falling off from the sandpaper holder. 4. Ergonomic design. The handle provides a comfortable and firm grip to make your sanding work easier. Greatly reduce your hand fatigue during long working hours. 5. Made of high quality aluminum alloy, durable and exquisite workmanship