Brabham BT44 B Carlos Pace Brazilian GP 1975 1:43 scale Ex Mag Diecast Model This Brabham BT44 B (Brazilian GP 1975 driven by Carlos Pace) diecast model is white & features working wheels. It is made by Ex Mag & is 1:43 scale (approx. 10cm / 3.9in long). This model also comes in its own display case to keep it in perfect dust free condition.