for angle controlled bolt/screw tightening, with static read-off pointread-off possible from any angle thanks to a pair of angled scalesremovable magnet for attaching sockets with 1/2" internal square drivefor use in conjunction with tightening tools such as service MANOSKOP® No 730Nsince this tightening method requires a pre-determined snug torque to be applied, it is essential to choose a torque wrench covering both snug torque as well as maximum torque required to reach the recommended tightening anglewhether 1/2" or 3/4" square drive torque angle gauge is used depends upon the square drive of the appropriate torque wrench employed