MAC-14 clamp accepts both Bogen 3517N / Manfrotto 200PL-14 RC2 Plates AND Arca / RRS Compatible QR Plates. ^^ 20kg (44lb) Max load.
Panning Base Diameter: 70mm.
^^ Net Weight: 696g.
Height: 110mm ^^ Elliptical Ball for progressive resistance ^^ 50mm clamp w Bubble Level.
Bottom Thread: 3/8" with included 1/4" Bushing Adapter.