Finish: Zinc Plated, Yellow Chromate Designed for use with single rotor latches and cage nuts that require a .50" diameter striker bolt Designed and tested to meet or exceed FMVSS 206 safety requirements when used with a corresponding 206 compliant latch Thread: 3/8-16 UNC Diam. A: 33.02 mm (1.30'') Diam. B: 52.32 mm (2.06'')