Hook & Loop Hand Sanding Block Set: This set includes 16 sanding blocks in various shapes and 40 hook and loop sandpaper sheets. Sandpape are 5 sheets each for 8 grits: 40, 60, 80, 120, 180, 220, 400, 600 Soft and Material: The automotive sanding blocks set are made of high - quality polyurethane foam. They're soft yet , ideal for sanding delicate surfaces like crown molding and baseboards without damaging workpieces Simple and Convenient Operation: The various shapes of hook andamp; loop sanding blocks are interchangeable, making it easy to switch between different sanding blocks, saving you time and labor. Meanwhile, it's suitable for detailed polishing, especially in tight spaces and corners. The design ensures that every project is within your reach Good Sandpaper Materials: Sandpaper is made of high - quality aluminum oxide, ensuring cutting. Featuring waterproof and tensile - technology, these sandpaper sheets can be used for both wet and dry sanding Wide Range of Application Scenarios: The sanding block is widely used, Whether in home repair, handcraft or car grinding, you can enrich the function of the sanding block to make your work easier Be confident that this automotive sanding block surprise you Material: PU colour: Yellow Package Contents: 16 x hand sanding blocks 40 x sandpapers(5 pieces each of 40, 60, 80, 120, 180, 220, 400, 600) 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.