Precisions Grip Design: Features a patented throat styles rings structure that firmly grips pipe edges, slippage and damage during removal, especially for stubborn clamps Ergonomic Effort Saving: levers structure reduces hand fatigue during prolonged use, perfect for 4S technicians handling continuous repairs Wide Compatibility: Straight jaw design fits various car pipes ( HVAC / oil / water), making it versatile for multiple vehicle models and repair needs High Strength Alloy Construction: Crafted from alloy, this clamp tool resists wear and deformation, ideal for high intensity repetitive use in auto repair shops Nonslip Rolled Handle: The C model includes a rolled pattern handle for secure grip even in oily conditions, addressing mechanics ' hand slip concerns