Used to remove carbon deposits and impurities from the cylinder piston ring grooves.
Specifications: Scraper size (corresponding to ring groove width)
1# scraper:1/16"5/64"3/32"5/321/8"3/16"
2# scraper: 2, 2.5, 3, 4, 4, 5 mm, 1/4";
3# scraper: 1.2_1.5_1828555_m
Overall dimensions: 290X46x122mm