assurance test, more sensitive, cheaper and easier to install. Push the brake caliper piston back to leave enough space for installing new brake pads. The brake piston is not damaged, centered and has no tilt reset. Ratchet mechanism can complete the most difficult work more easily and faster. The increased plate allows a larger length range to work effectively on larger tweezers. Built-in small magnet and cylindrical pin can install large plates and unload them quickly. 360 rotation anti-skid handle, easy to enter into place. Swing the long handle of the joystick to extend and retract the extender. Both expansion plates need to apply pressure on the revolving door to move the plates together/apart. Toggle the positive and negative adjustment switches on the ratchet wheel to realize the conversion of the telescopic expansion plate. Colour:Red & Black Material:Carbon Steel Package Contents: 1 * brake wrench 2 * hook Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.