BOG ARCA Swiss Optics Plate Black. Simply utilize the 1/4-20 mounting stud to put a plate on every optic & camera you have & be ready to quickly change out your gear. A 3/8-16 adapter is also included for universal fit. Specifications for BOG ARCA Swiss Optics Plate: Manufacturer: BOG Color: Black Attachment Type: Quick Detach Features of BOG ARCA Swiss Optics Plate Durable Lightweight Aluminum Construction 1/4-20 Threaded Stud With 3/8-16 Adapter Designed For Use In All Bog Deathgrip Infinite & Deathgrip Sherpa Tripods Designed For Use In All Tripods Utilizing an Arca Swiss Mounting System Package Contents: BOG ARCA Swiss Optics Plate BOG 1204206: ARCA Swiss Optics Plate Black