TrioVing 5541/24 Thumb Turn 24mm Satin Chrome CategoriesDoor CylindersTrioVing 5541/24 Thumb Turn 24mm Satin Chrome TrioVing 5541/24 Thumb Turn 24mm Satin Chrome Marine Grade oval thumb turn, suitable with cylinder lock cases in the 50-, 51-and 53-Series. $123.98 Quantity Add to cart Featuresstandard cylinder thum turn, 24mm suitable for interior and exterior doorsfor use with cylinder lock cases in the 50-, 51- and 53-Seriesthe cylinder is fixed to the lock case with front fastening screwssatin chrome ×Close Nothing to see here!