The Chrome Collar is the correct replacement part for worn collars on standard Chrome Faucets.
Designed to hold the faucet lever assembly secure in the faucet and prevent troublesome leaks, the Chrome Collar is easily installed on existing faucets. Simply remove the damaged collar, thread the replacement onto the lever and fasten the collar tight to the Chrome Bonnet below. The Chrome Collar fits between the tap handle and the Chrome Bonnet.
Over tightening of the bonnet and/or the collar can over compress and damage rubber o-rings and create leaks.