For torquing both screws simultaneously. The TwinTite attaches to most 3/8" reversible cordless drills. Fits couplings 1 1/2" to 4". Individual torque settings allow each clamp screw to be tightened to correct torque specification. The torque is preset to 60in lbs. or 80in lbs. and can be recalibrated with a torque wrench. The TwinTite is quick and easy to attach to your drill and the wire form can be bent to fit other drills.