Brand: Durablock Manufacturer's Part Number: AF4403 Part Type: Sanders Product Line: Dura-Block Sanding Blocks Summit Racing Part Number: DUK-TAI-AF4403 UPC: 035656151486 Tool Power Source: Manual Sander Type: Block sander Length (in.): 16.000 in. Width (in.): 2.625 in. Height (in.): 1.375 in. Sandpaper Included: No Quantity: Sold individually. Notes: Full-size block design. Dura-Block Sanding Blocks Dura-Block sanding blocks come in a range of sizes and shapes that are ideal for fairing， shaping， sanding， and finishing of boat plugs， molds， and auto restoration projects. Perfect for wet or dry sanding， Dura-Blocks are made from patented closed-cell EVA rubber. They are sized and shaped to create perfectly flat surfaces and a variety of detailed contours without ripples or gouging. Get an award-winning finish with professional sanding blocks from Dura-Block. Select the sanding block specific to your needs.Available block styles: (please select model for your application needs) * Standard block for flat and contoured panels， 11 in. long x 1 3/8 in. wide x 3/4 in. thick* 1/3 block for flat or slightly curved panels， 11 in. long x 2 5/8 in. wide x 1 1/2 in. thick* 2/3 block for flat or slightly curved panels， 11 in. long x 2 5/8 in. wide x 1 3/8 in. thick* Full-size block for large surfaces， 16 in. long x 2 5/8 in. wide x 1 3/8 in. thick* Round block for highly curved surfaces， 11 in. long x 1 1/4 in. thick* Scruff block for general prep work， 5 3/8 in. long x 2 1/2 in. wide x 1/2 in. thick