The 5/16" Tank Bowl Poly Wing Nut is a reliable fastening solution for toilet tank assemblies. Constructed from durable poly material, this wing nut is resistant to corrosion and wear, ensuring a secure fit over time. Its 5/16" size is compatible with standard toilet tank bolts, making installation straightforward and efficient. The wing design allows for easy hand tightening, eliminating the need for additional tools. This wing nut is ideal for both new installations and repairs, providing a dependable connection for toilet tanks. Its robust construction ensures it can withstand the rigors of daily use, making it a practical choice for any bathroom.