The DAVID 240 is designed particularly for model makers who need to do grinding or polishing works. The DAVID 240 offers an effective way to safely polish the item without the risk of being struck or inhaling stray particulates. Front acrylic piece opens for easy cleaning, silicone side pieces help contain dust better but are removable. Approximate size: W152mm (6") x H205mm (8")x L205mm (8"). Made of Stainless steel, aluminum, PC/ABS, and acrylics. Includes 1 box, 2 silicon covers, 1 cleaning brush, and manual.