Crescent CC6PVAD 6-Inch Connect Hand Clamp, Set of 2 Modularity - Slot that enables clamp to attach to other clamp and rotate for 360 degree clamp angle Force - 500 lbs. holding clamp force Access - Pipe teeth grip round stock keeping it from twisting while cutting Speed & versatility - Quick change end slides up to convert clamp to a spreader Comfort - Rubber textured grips for comfort and traction when clamping