Fits on Models: Blixer 3, Blixer BX3, CL50, R100, R100 B, R100 B CLR, R100 CLR, R100-PLUS, R2 N Ultra, R2 Ultra B SL- 245xxxxx03, R2 Ultra B SL- 247xxxxx03, R2 Ultra B SL- R2Uxxxxx Also OR 231xxxxx03, R2 Ultra Dice, R2B, R2B SL- 246xxxxx03, R2B SL- R2xxxxx Also OR -230xxxxx03, R2B SL-244xxxxx03 and up, R2BCLR SL- 244xxxxx03 and up, R2-DICE, R2N, R2N CLR, R2N Ultra, R2N US, R300 B Series B, R300 Series B, R301 Ultra Series B