Feature: 1. Adjustable Design: This sanding block features an innovative design, adjustable radius that caters to a wide range of sanding needs. Simply rotate the handle to achieve a right fit on both flat and curved surfaces, offering maximum flexibility 2. Comfortable Grip: Crafted from PU foam, the hand sanding file block ensures a comfortable and efficient sanding experience. Its ergonomic design facilitates easy handling, saves effort, and covers a larger contacting area for enhanced productivity 3. Hook and Loop Backing: The base of the hand sanding file block incorporates a hook and loop design, allowing for seamless attachment and detachment of sandpaper. This feature facilitates rapid sandpaper changes, enhancing workflow efficiency 4. Applicable Range: Measuring about 70 x 400 mm, this adjustable radius flexible longboard sanding block accommodates either a 70 mm mesh sanding disc or two 70 x 198 mm sandpapers. This ensures stable and uninterrupted sanding work 5. Versatile Applications: The flexible sanding block boasts broad applicability, suitable for tasks such as car body and paint shop sanding or polishing, wall sanding, woodworking, industrial workshop, and various home and craft projects Specification: Item Type: Hand Sanding File Block Product Material: PU Foam, Plastic File Block Size: Approx. 70 x 400mm / 2.8 x 15.7in Application: Suitable for sanding or polishing in automotive body and paint shops, wall sanding, woodworking, industrial workshop, and other household and craft projects. Package List: 1 x Hand Sanding File Block