Primerna za modele: RP1800FX, RP2300FCX, 3612, 3612C, RP0900, RT0700C, RT0702C, M3600, M3601, RT001G.

Dimenzije:

• Premer (Ø): 12 mm
• Premer luknje (Ø): 10 mm
• Višina: 9 mm