Comprehensive Sanding Kit: This 16-piece hand sanding block set is designed to meet all your auto body sanding and polishing needs. It includes various interchangeable convex and concave shapes, making it perfect for detailed work on curved and flat surfaces. Hook & Loop System: Each block features a hook and loop system that allows for quick and easy sandpaper changes, enhancing your work efficiency and ensuring a secure fit during use. Versatile Applications: Ideal for both professional and DIY projects, this set is excellent for sanding, polishing, and preparing surfaces on cars, wood, or metal. Its ergonomic design ensures comfortable handling for prolonged periods. Construction: Made with high-quality materials, these sanding blocks are built to last and withstand rigorous use, ensuring long-term reliability and performance. Color: Yellow & Black Material: PU Package Contents: 1 set Grinding tools Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.