DRYWALL SCREWDRIVERHeavy Duty Professional Series High Torque Heavy Duty Screw Driver 6.5 Amp HD 0 - 2,500 RPM Variable Speed Reversible Set & Forget Aluminum Depth Locator Heavy Duty Metal Gear Case Ergonomically Designed Grip. Our 2-wire double insulated and 3-wire grounded tools are in compliance with OSHA requirements. The OSHA specification dealing with grounded or double insulated tools is in Standard 1910.304. Other relevant OSHA specifications for power tools in industrial use are: 1910.213, 1910.243; in construction use are: 1926.302, 1926.304, and 1926.404.