
Small black O rings for chuck
Sealing O Ring for Schrader Tyre Inflator Chucks as fitted to Schrader MAESTRO, DIGITAIR and EURODAINU inflators.
Worth having a couple spare. They often disappear when people "test" the inflator, giving it a squirt of air when not connected to a tyre valve - although the test confirms the presence of a compressed air supply it often launches the seal into a dark unseen corner of the workshop...