Top quality, from SIP. O-Ring for clutch lever, size Ø 12 x 9 x 1.7mm, 
 
Suitable for most Vespa models, including: All PX, T5, PK, V50, R, S, Special, V90
 
, V100, PV, ET3, PK50, S, Lusso, Elestart, N, Rush, PK80, PK100, PK125, ETS and Cosa Olpumpe
 
Also fits the LML star 125-200 4T