Features: *1. Clear and traceless strength repair to prolong the service life of wiper blade. *2. The coarse and fine two-sided grinding blades and two repair processes make the wiper surface smoother and the repair more detailed. *3. If the surface of the wiper is seriously worn, it shall be repaired with the coarse side first, and then with the fine blade. If the surface of the wiper is slightly worn, it can only be repaired with the fine blade. *4. Suitable for all common car wiper blades that fit the grooves. Description: *1. Material: plastic *2. Color: black *3. Size: 93x53x22mm Package Includes: 1 x Windshield Wiper Regroover Note: *1. The wiper assembly and disassembly methods vary with vehicles. Please deal with them according to your own vehicle conditions; If it is difficult to disassemble, professional advice is recommended. *2. The regroover does not work when there are deep and long cracks on the wiper. It is recommended to replace the wiper blade.