Ratchet mechanism can complete the most difficult work more easily and faster. The brake piston is not damaged, centered and has no tilt Push the brake caliper piston back to leave enough space for installing new brake pads. assurance test, more sensitive, cheaper and easier to install. The increased plate allows a larger length range to work effectively on larger tweezers., Weight: 2.37107162781 Pounds, Manufacturer: Prterver