30*40 can cover 32*22 (flip-up model)50*40 can cover 42*32 (flip-up model)55*45 can cover 47*37 (flip-up model)60*40 can cover 52*32 (flip-up model)60*50 can cover 52*42 (flip-up model)50*40 can cover 42*32 (upgraded hydraulic model)55*45 can cover 47*37 (upgraded hydraulic model)60*40 can cover 52*32 (upgraded hydraulic model)60*50 can cover 52*42 (upgraded hydraulic model)