Materials and durability The kit uses carbon steel screws and rubber gaskets to provide strong, durable performance for longlasting use. Quick and convenient installation The extra nut on the lower side (bottom lock) enables quick, hassle installation. Locking nuts add an extra layer of security to prevent shifting or loosening over time. Secure and sealed connection Large rubber grommets on both the upper and lower sides create a secure, tightly sealed connection between the toilet tank and the bowl, helping to eliminate leaks and wobble. Complete installation kit Includes bolts, screws, and gaskets, giving you everything needed for a seamless installation and a secure toilet connection. No need to hunt for individual parts. Construction and reliability Toilet tank screws are carbon steel for strength and durability; all gaskets are rubber, ensuring a reliable, longlasting performance. Use scenarios Replacing a worn or leaking cisterntobowl connection in a residential bathroom to restore a secure, leak seal. Installing a toilet or upgrading an older setup with a complete kit, simplifying the process by providing all required components. Maintenance or remodeling projects where a reliable, complete fixing kit helps ensure a sturdy, wobble installation.