Tested per OSHA & ASTM F711. Used on or around energized lines for forming, bending and positioning jumper wires. Also used for holding conductors during splicing operations. Gripper, with an eye for extra sticks, will handle No. 6 copper through 1590 kcmil ACSR. Operation: Grips like locking-type pliers. By tightening the knurled nut at control lever, wire-holding jaws can firmly grip conductor, When doing this, tightening control lever must be in relaxed position about 1” from pole. To Secure Conductor grip, push lever down to the pole. To secure conductor simply move the control lever all the way up along the rod.