High-Quality Material: Our Toilet Tank to Bowl Bolt Set is made from durable, rust-resistant rubber and brass, ensuring long-lasting performance and reliability. Universal Fit: This bolt set is designed to fit most standard toilets. The universal design allows for a quick and easy installation, saving your time and effort. LeakProof Design: The bolts, together with the included washers, form a tight seal to prevent leaks between the toilet tank and bowl. This ensures your toilet operates efficiently, preventing any water . Convenient Use: Gasket Solid Brass Kit is easy to install, just remove the old 1 and install the new 1, then put it in the position and fix it. Complete Set: Two bolts, 1pcs rubber washer, and two nut. This means you won't need to buy additional parts, making the installation process smoother. Specification: Material: rubber, pp, brass Size Chart: Rubber Washer: 15.75*7.6*2.45cm/6.2*2.99*0.96inch Bolt length 7.6cm/2.99inch Diameter: 5.8cm/2.28inch Package Includes: 1 Toilet Tank to Bowl Bolt Set Note: Please allow slightly errors due to manual measurement and different monitors.