Armstrong Micrometer Adjsutable Torque Wrenches Home › Armstrong Industrial Hand Tools › Armstrong Micrometer Adjsutable Torque Wrenches We currently do not have any products for this manufacturer. Please check back soon for new products... If you would like to place an order over the phone please call 800-242-4424 for immediate assistance. Thank you. Armstrong Micrometer adjustable torque wrenches provide precise torque application with an accuracy of +/- 3% clockwise. The enclosed head design seals out dirt and contaminants, and the torque wrap design reduces stress on gear teeth and pawls for a longer lasting tool.