Genuine Canon lens contact connecting flex for the EF 24 1.4 L, EF 24 2.8 L II USM, EF 35 1.4 L, EF 100 2.8 L USM Macro, EF 100 2.8 L IS USM Macro, EF 135 2.0 L, EF 24-70 2.8 L, EF 28-105 3.5-4.5 USM, EF 28-105 4-5.6 USM, EF 28-135 3.5-5.6 IS USM and other Canon EF lenses. Made by Canon Japan.