Foliv 80 Pieces Fitting Rings Assortment, Brass Washer Set, Diameter 8/9.2/10.2/11.2/12.2/13/13.2 mm in Assortment Box, for Lifting Doors to Avoid Grinding on Floor coverings

High-quality material: brass (made of 100% copper). With high strength, high hardness, not easy to deform and corrosion protection ability. Common size: 8 sizes of fitting rings assortment: diameter 8/9.2/10.2/11.2/12.2/13/13.2 mm, height: 1.5 mm. 10 pieces each, total 80 pieces. Common sizes for your daily needs. ◎【Widely used】 Generally, fitting rings are used to raise or balance doors grinding on the floor, for interior doors with 2 hinges. Precision design: With advanced production technology, the section is smooth and flat without burrs and it is not easy to slip during rotation. Portable packaging: 8 types of fit rings are evenly distributed in the storage box, which is convenient for quick access and effectively improves work efficiency. GREEN PROTECTION FOLIV donates from this purchase to White Memorial Conservation Center Inc., which offers year-round environmental education programs for children and adults to protect natural resources (i.e. vegetation, water, soil, and air). I hope we could do something for this beautiful green world.