Twecotong® Electrode Holders, 200A, Plastic Copper, For 2 0 Cable, 4 mm Capacity ORS NASCO Delivers 1000 or more cuts Delivers 1000 or more cuts with no need for wheel change Advanced diamond technology provides extreme durability in metal cutting applications Made with diamonds so that the cutting depth remains the same throughout its life for control Use to detect voltage in outlets One piece ergonomic handle fits comfortably in the palm and minimizes hand fatigue Features fully insulated and protected springs Reversible top and bottom insulators are constructed of quality thermo set materialfor strength and durability at high temperatures Six position jaw pattern securely holds electrode in place