Quality Bolt Material: The toilet tank bolts are made of high-quality solid brass material, which is not easy to rust even if they are in contact with the water in the tank for a long time, ensuring durability. Durable Rubber Material: The sealing gasket between the tank and the bucket is made of long-lasting sponge rubber material, which is durable, good sealing and no leakage. Product Size: Bolt length 72mm/2.83in, Conical rubber gasket diameter 26.5mm/1.04in, brass flat washer diameter 18mm/0.71in. Suitable for most of the connection between toilet tank and toilet bowl, more durable and pressure-resistant. Easy to Install: Toilet Tank Replacement Kits are easy to install, and despite the very limited space available for installation, they are very simple to install with household tools and take only a few minutes to complete. Package Includes:2 x Toilet Tank Bolt Kit (Gold). Kit includes 2 x brass bolts, 2 x tapered rubber washers, 4 x brass flat washers and 4 x short nuts. 2 Pack Toilet Tank Boltskit,Universal Toilet Seat Bolts Compatible with TOTO/Kohler/American Standard,Brass Toilet Tank Screws Kits for 2-Piece Toilet with Cone Rubber Sealing Gasket(Gold)