1Perfect Replacement: CV joint boot clamp plier, universal vehicle banding tool, replacement for Mercedes, replacement for Mazda. 2Function: The CV boot clamp plier is perfect tool to crimp and flatten the clamp on eartype constant velocity joint boot clamps. 3Durable Material: Constructed from heavyduty steel with comfort grip handles, convenient to use. 4Wide Application: Perfect fit all eartype clamps including GM FWD outboard CV joints, also suitable for installation of certain clamps on fuel filters, water pumps and other cooling systems. 5Straight Design: Equipped a straight crimper plier on the end allows this CV Boot crimping on clamp ears to greatly prevent leakage. 6Easy Operation: Easily crimp the loop and then push down on the crimp to lock into place. 1/2in square holes allow you to use with a 1/2in extension handle or torque wrench.