Danco 11-piece repair kit for Delta helps restore a leaky faucet. Replacing the worn out parts in the faucet will create a better seal and help prevent water leaks. This kit is ideal for single-handle faucets and contains the parts needed to repair Delta old-style and new-style faucets. The kit includes seats, springs, cams, o-rings and ball assembly to repair Delta and Peerless faucets with #212 ball.