OFFSET DOWNSOUT ELBOW (LEDGE JUMPER) 30 degree 2×3 A or B Style aluminum offset elbow (Ledge Jumpers) offset distance is 3″ for either A Style or B Style. 30 degree 3×4 A or B style aluminum offset elbow (Ledge Jumpers) offset distance is 4″ for either A style or B style. Proudly made in the USA!!!