The 7/8" Ballcock Shank Washer is an essential component for maintaining optimal performance in toilet systems. This washer is designed to create a watertight seal, preventing leaks and ensuring efficient operation of the ballcock assembly. Made from high-quality materials, it offers excellent durability and resistance to wear. Its standard size makes it compatible with most ballcock models, making it a versatile choice for plumbing repairs. This washer is a must-have for any DIY enthusiast or professional plumber looking to ensure reliable toilet functionality.