The Bosch 11255VSR-HDC package features a rotary hammer and a dust-extraction attachment, to help users move toward OSHA silica dust regulation compliance. The 11255VSR is a 1 In. SDS-plus Bulldog Xtreme Rotary Hammer with an 8.0-amp motor for 2.0 Ft.-Lbs. of impact energy and 0-5,800 no-load bpm. The HDC200 dust-collection attachment is optimized for drilling diameters from 5/8 In. to 1-3/8 In. The attachment features two unique air chambers: one allows the drilling bit to pass through when drilling into the work surface. The second air chamber is designed to maintain suction to the wall during drilling. The kit is part of Bosch’s PRO+GUARD dust system, helping users move toward OSHA Silica Table 1 dust compliance. The hammer’s multifunction mode selector allows users to easily select among three modes of operation. It has Vario-Lock positioning to optimize chiseling angle, and it has a variable-speed reversing trigger for accurate bit starting. Features & details Rotary hammer and dust attachment package – provides an easy kit to users move toward OSHA silica dust regulation compliance Robust 8.0-amp rotary hammer motor – delivers 2.0 Ft.-Lbs. of impact energy for reliable performance Dust-extraction attachment – optimized for drilling diameters from 5/8 In. to 1-3/8 In.; accommodates up to 2-1/2 In. by removing brush ring Vario-Lock chisel positioning – rotates and locks chisel to optimize working angle Works with Bosch PRO+GUARD dust solutions – an end-to-end dust-collection system that helps users move toward OSHA Silica Table 1 dust compliance