3M Hand Sanding Blocks help make sanding easier in difficult locations. These products were designed and manufactured to provide users with comfortable and easy to use tools for their everyday applications. You can use these products with the 3M Purple Clean Sand Sheet Roll to efficiently complete your repair. The bright yellow design helps make them easy to find in dusty shop conditions. UPC: 51131056909 Case Quantity: 24 per case Case Inner Pack: 1 block Attachment Method: Hookit Length: 5 3/8" Width: 2 ½" Size: 5 3/8"x 2 ½"