You are looking at the best electrode holder on the market. A quality made in America, assembled in Diamondville WY. Designed, manufactured, and assembled by a family of pipeline welders.Brass construction to help keep the Heat Down.V Design Securely holds any size rod. No more rod popping out of its groove.Comfort Rubber grip handleEliminates Arc burns from rod "popping" out350 amp rating1/0 cable capacity3/16 electrode capacity This is the Non Insulated model.