Detailed Product Description Full Extension Available in even lengths 12" - 36", 40, 42, 48, 60 [305-914mm, 1016mm, 1066mm, 1219mm, 1524mm] Clear zinc finishup to 500 lbs. / 227 kg*Front lever release Lock in & Lock out Optional platform bracket kit allows for bottom and side mount applications*For lengths 12"-36"[305-914mm]-For additional load ratings on longer lengths consult Accuride technical ...