Fits on Models: Blixer 3 D, Blixer 3 Series D, Blixer 4, Blixer 4 Mono, Blixer 4 Series A, Blixer 4 Tri, BLIXER 4 US, Blixer 4 V V US, Blixer 4 V.V., BLIXER 4V SERIES A, CL30, R300, R300 B Series C, R300 Series C, R301, R301 Dice Ultra, R301 Series D, R301 Ultra, R301 Ultra Series C, R301 Ultra Series D, R301-DICE, R401, R401 B, R401 Series A, R401 US, R402, R402 Series A, R402 V B, R402 V US, R402 V V, R402 V. A