Ground Clamp, 300 A, 1 2 in Stud Connection, Steel no checkout Features a one piece dual hex nut Features a one piece dual hex nut that eliminates interference issues and simplifies periodic flipping of the wheel for maximum cutting action 9 oz flame retardant cape sleeves provide protection at minimal cost Under the arm sport cut for increased mobility and hemmed collar to retain shape after many washings Retains flame retardancy for up to 50 normal home washings and 25 commercial Can be worn with detachable 14 in and 20 in bibs (sold separately) Designed primarily to work in conjunction with the Tweco Roto Ground device May also be used for other high amperage grounding applications Clamp is quickly attached or moved from one rotating weldment or fixture to the other without removing the Roto Ground from it Saves welding downtime