Design: This toilet tank fitting kit is designed to fit most sidemounted flush handles and features a sleek and modern design. The adjustable metal rod ensures easy installation and a good fit in any toilet tank. The soft rubber flapper valve provides a tight seal, ensuring efficient water usage. Fit Flush Valves Diameter: 50.8mm / 2"; Toilet Chain Total Length: 270mm / 10.63"; Handle lever Length: 170mm / 6.69"; Fits Tank Hole (Square Size): 16 x 16mm / 0.63 x 0.63"; Package Content: 1 Set x Toilet Handle Replacement Kit(Flush Lever+Toilet Flapper+Stainless Steel Chain) Material: The toilet handle replacement kit includes a sidemounted toilet flush lever with an electroplating ABS head and a brass push rod, a 2inch soft rubber toilet flapper, and a stainless steel chain. These materials ensure durability and longlasting performance, making them a good choice for frequent use. Application: This toilet tank replacement kit is suitable for most toilet with sidemounted flush handles, providing an easy solution for replacing old or damaged fittings that are causing the toilet to run constantly. Its simple yet effective design ensures that it will function properly and provide a reliable performance every time. Usage Method: To install the toilet handle replacement kit, first remove the old fitting kit from the toilet tank. Attach the new flush lever to the existing hole, and connect the chain to the flapper valve. Adjust the length of the chain as needed to ensure the proper functionality of the toilet tank.