Premium Appletree House Brand. Two post brake light switch. Screws directly to stock master cylinder including the type 2 dune buggy master cylinder. These control the turning on of the brake lights when pressure is applied to the brake system. Will screw in metric and 1/8" npt pipe thread Beetle Type 1: 50-69 Bus Type 2: 50-69 Ghia: 56-69Appletree Automotive