About This 4" x 10" rectangular opening is perfect for benchtop application No flange around opening facilitates clamping to machine tables Low profile design for improved efficiency in smaller areas 4" OD port accepts most 4" dust collection hoses - ABS material for rigidity and durability WoodRiver is proudly made by Woodcraft, America’s leading supplier of high-quality woodworking hand tools, power tools, domestic and exotic wood, shop supplies, project plans and kits, plus so much more! Offering first-rate products for all your woodworking needs and designed to help you make wood work. Our family of brands include Woodcraft tools and supplies, Highpoint professional-grade fasteners and hardware, Pinnacle precision-engineered tools and Woodcraft Magazine. Overview Size : 4 inches Material : Acrylonitrile Butadiene Styrene Brand : WOODRIVER Color : Black Item dimensions L x W x H : 10 x 9 x 4.75 inches Connector Type : Flange Thread Size : 4 inch Exterior Finish : ABS Thread Type : UNF Item Weight : 13.28 ounces