Bosch Concrete Drilling Shroud HDC250 SDSmax Core Bit Dust Collection Attachment (1-1/2 to 6 Inch Diameters Dual Air Chambers Universal Vacuum Mount) Chop Saws 5-inch bronze base plate maintains

Bosch Concrete Drilling Shroud HDC250 SDSmax Core Bit Dust Collection Attachment (1 1 2 to 6 Inch Diameters Dual Air Chambers Universal Vacuum Mount) Chop Saws 5 inch bronze base plate maintains 5 inch bronze base plate maintains a straight tracking line without riding over aggregate High Density 1 2 Inch Shank 1 16 Inch Cut Depth Solid Surface Decorative Inlay Router Bit Limited Warranty Policy 1 Year Limited Protection Pro Tip: Turn on your dust extractor unit before touching the shroud frame to the concrete wall surface Replaceable Surface Seal: High density perimeter brush ring creates a tight barrier matrix against coarse masonry to contain fine floating particles instantly