These Crossbars are for use in conjunction with the Super Professional stretcher bars only.
The information below indicates how many crossbars you will need for your frame;
1 x Crossbar at 60cm-165cm
2 x Crossbars at 170cm-235cm
3 x Crossbars at 240cm-300cm
E.g. A stretcher frame of 200cm x 100cm will require 1 x 200cm Crossbar and 2 x 100cm Crossbars.
Please Note: 50cm and 55cm are whole bars, not crossbars.