CAMVATE Arca-Swiss Quick Release Clamp (3.5") Compatible with Arca-Swiss Plates, 1.5 to 1.7" Clamping Range, Three 3/8"-16 & Two 1/4"-20 Threads, One 1/4"-20 Bushing Adapter, Built-In Bubble Levels TRIPODS VIDEO PROF-Quick Release Assemblies