Whether itís a: Rotary Hammer, Tuckpoint Grinder or Surfacing Grinder you need to protect yourself and those around you from Silica dust. Take a step in the right direction and invest in OSHA compliant dustless tools. Effective September 23, 2017, OSHA will begin Silicia Enforcement. Donít be in violation. Get yourself all the tools, attachments and HEPA filtered vacuums that you need to protect the work environment.