Bosch HDC200 SDS-Max Hammer Dust Collection Attachment<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Dual air chambers provide for both dust collection during use and provide suction to the wall</li><li>Dust port fits Bosch 1-3/8-Inch vacuum nozzle and can convert to 1-1/4-Inch / 2-Inch hose nozzles</li><li>Replaceable brush ring provides seal for multiple bit diameters</li><li>Rubber seal maintains suction to wall</li><li>Optimized for drilling diameters from 5/8-Inch to 1-3/8-Inches， but can accommodate up to 2-1/2-Inchs if the brush ring is removed</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41LR9q6YIYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41P7Ppzd-DL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51oRcm2m4CL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41HuuSHKbyL.jpg" noproxy>