These 5/16 in. Tank Bolt Washers from Danco install between the china of the toilet tank and the bolts that connect the tank to the bowl. The washers are made of flexible rubber that will endure the rigors of everyday use. They allow for quick and easy installation.

Durable rubber construction
Round shape
Flexible
Dimensions: 1 in. x 1/4 in. x 1/8 in.
For 5/16 Inch bolts
Replaces a worn toilet tank washer
Installs between the china of the toilet tank and the bolts that connect the tank to the bowl
Includes 4 washers
Easy to use