NEW OEM from old dealer stock - starter pulley retaining e clip - Fits Partner: older chainsaws and cut off saws 

fits many partner chainsaws, such as R16, R417, R417T, R418, R20, R20T, R21, R21T, R30, R440T, P55, P70, P85, P100, R420, R420t, R421T, S50, S55, S55, S65, F55, F55a, F65

May have some slight surface rust from years of storage.