This collection regroups the models of handles for nuts and screws i designed over time.All designs can be printed without support, refer to the illustration to identify the different types.It is quite popular and If you plan to use it just remember that plastic is not always appropriate for the large forces often applied on large M12 screws.Handles for M3 small forces and small bolts and small screws to M12 big forces and big bolts and big screws.Sizes (M3,M4,M5,M6,M7,M8,M10,M12)