Twecotong® Electrode Holders, 200A, Plastic Copper, For 2 0 Cable, 4 mm Capacity no checkout soft and flexible nose pads soft and flexible nose pads hold securely without pinching Wider nose clip fits a variety of facial types Silicone mouthpiece is more comfortable to wear over long periods Packed in sealable plastic bag (carrying bag sold separately 79BAG) Specially engineered for professional use Mercury free formula Reclosable container helps organize and protect batteries from damage and short circuiting 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