R51: springboard for the trapezoidal, long side 41.5cm or so, short side 39cm or so, about 22cm wide.


R61: springboard for the trapezoidal, long side about 49.5cm, short side 46cm or so, about 26cm wide.


R51A and R61A cage with a springboard and a transparent bowl,


R51 and R61 cage only springboard no food basin! The The