Feature: 1. Upgraded Design: This sanding block features a dust cleaner connector, compatible with most vacuum cleaners, effectively absorbing dust during use to ensure a clean environment for you and your family 2. Lightweight and Practical: Crafted from lightweight PU foam, this manual sanding file block enhances work efficiency for relevant workers. It is easy to operate and built to last, ensuring long term use 3. Applicable Size: With size about 7cm x 40cm (2.76 x 15.75in), this hand sanding block accommodates 70mm mesh or two 70x198mm sandpapers. Its large size facilitates efficient sanding and rapid results 4. Adjustable Design: This file block boasts an innovative adjustable design to cater to various sanding needs. Whether sanding flat or concave surfaces, the rotating handle and back grooves offer maximum flexibility 5. Wide Application: Featuring adjustable radius, hook and loop backing, this hand sanding file block is suitable for woodworking, car waxing, wall grinding, polishing, derusting, paint removal, and more Specification: Item Type: Hand Sanding File Block Material: PU Foam, Plastic Size: Approx. 7 x 40cm / 2.8 x 15.7in Application: Woodworking polishing, car waxing, wall grinding, derusting, paint removal and so on. Package List: 1 x Hand Sanding File Block