The Complete Toilet Repair Kit includes everything you need to completely upgrade your toilet --instead of buying all of the repair pieces and parts separately and mistakenly forgetting a part or two. This kit includes all of your needed in-tank components, including an adjustable height fill valve that fits most toilets, flush valve with a 2 in. flapper with chain. Plus, the kit also includes anti-corrosive tank bolts, a tank-to-bowl gasket and a chrome flush lever. This kit includes everything to fix common toilet problems, including leaks, running water, incomplete flushes, low tank and bowl fill-ups and a loose flush handle. Material: Plastic.