Power wrench for drill pipe
Power wrench for turning threaded connection members
Power wrench having ratchet means at both surfaces of socket the
Power wrench safety switch
Power wrenches with two point reaction means
Power-driven or manually-operated wrench puller for tightening o
Power-driven screwdriver
Power-driven screwdriver
Power-driven screwdriver
Power-driven screwing tool for pressure vessel heads
Power-driven torque intensifier
Power-driven wrench apparatus
Power-operated drill pipe spinner and pipe tongs
Power-operated gear-driven box wrench
Power-operated screw driving device
Power-operated screwdriving device
Power-operated screwdriving device
Power-operated wrench extension apparatus
Powered adjustable wrench
Powered adjustable wrench