Bosch 18DC-5E 4 1/2-Inch to 5-Inch Dust Collect Cut Off Guard Dust collection - reduces clean up time and provides safer air for user Large durable foot plate - greatly increases stability during use for clean and accurate cuts Bosch air sweep vacuum compatible- plug and play without using adaptors Single-screw depth adjustments - quickly adjusts and maintains desired depth of cut Complies with agency requirements