This handy dust hose attachment was intended to compliment the POWERTEC Floor Sweep Kit and/or your existing 4 in. dust collection system fittings. The bench brush nozzle is designed to pick up fine sawdust and debris. The adjustable handle gives you greater mobility, reducing wrist fatigue while lowering hose tension. Paired together, this combo provides a quick and easy cleanup around your workbench, stationary power tools and other equipment. Easy-To-Use Design: The nozzle is designed to attach seamlessly into a 4 in. ID hose, floor sweep and similar sized dust collection fittings. When attached, the ergonomic 1 in. x 7 in. handle makes it easy to hold and ideal for bench applications. They are possess extraordinary bend recovery and durability. Dimensions: 15 in. Long (not including handle) Nominal 4 Inch OD 5-1/4 in. x 2 in. Brush Mouth Opening 7/8 in. Long Nylon Brush Bristles Removable Handle Clamp (4" ID x 3").