Wooden Keystone (25pcs)

Wooden Keystone, bag of 25 pieces. Prevent your precious cask-conditioned beer from spilling out the keystone by using this simple but necessary cask part - the wooden keystone bung.

• Made of wood
• Easily inserts into keystone hole of cask

It inserts easily into the bung hole on the crown of your pin cask or firkin beer cask. The wood absorbs moisture to help create an extra-tight seal. This maintains your beer's quality over time.