Features & Benefits: Dual-component comfort grip includes a tether attachment point for fall protection and guards against finger and hand pinching; Grips any shaped object – round, square, hex or flat without slipping off the workpiece or knuckle busting; Push-button adjustment means that once the capacity is set, it stays set; Gripping surface with special hardened teeth (61 HRC) – wear resistant; Thin head fits into tight places;