Introducing the Jointer Dust Hood by POWERTEC.This dust hood is intended to provide you with a heavy duty, reliable and professional quality solution to capturing dust, debris and wood fiber. It's designed to mount over the chip chute of most jointers in today's market. Utilizing a 4-inch OD connector port, it works seamlessly with most 4" ID flexible hoses. This essential woodworking dust collection accessory uses a large square flange design to ensure maximum coverage. Breath, work and enjoy your hobbies in a fresh, clean environment with this excellent addition to your dust collector set.Premium BuildThe POWERTEC Jointer Dust Hood is made out of high quality ABS plastic. This ABS plastic fitting is lightweight and known for it's superb durability and abrasion resistance - both qualities perfect for any woodworking environment and/or workshop that depends on high performance dust extraction.Dimensions and Specifications- Overall Measurements: 8-1/2-Inch width by 10-1/4-Inch length by 4-Inch diameter- 4 Inch Nominal End: 3-13/16-Inch O.D. and 3-41/64-Inch I.D.- Port Size: 4" standard* 【Please verify your tool size specifications for a perfect fit】.