Ground Clamp, 300 A, 1 2 in Stud Connection, Steel ORS NASCO Bright yellow blade has clear Bright yellow blade has clear easy to read numerals Hi Viz® orange case is easy to find on the job Rubber cushion case exterior protects tape from impact and improves grip Fits easily into most tape holsters Toggle lock is positioned for convenient operation and steel Gage numbers are U 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