Clutch wiener spring set, performance, older Dio etc

Set of 3 small springs for older Honda type three-shoe clutches. Length is 24mm inside the loops. Raises clutch engage point to approx 1500 RPM at the clutch, which means approx 3000 RPM or higher at the engine. May suit other makes too including many Chinese 4 strokes, check your originals to confirm. Sample image shown