PLSA74 Arca-Swiss L-Bracket for Sony Alpha A7R IV, A7SIII and Sony A9 II Configure your L-Bracket:Complete with SS2 Strap Port | END-OF-LIFE Fits all camera flashes with

Fits all camera flashes with standard Hotshoe

and A7R III with the Sony  VG-C3EM Battery Grip is made of CNC machined aluminum

PLPGH4-PLC70D Arca-Swiss L-Bracket for the Panasonic GH4 Overview

Max/Min Jaw opening - 4

Resists Water

PLSA74 Arca-Swiss L-Bracket for Sony Alpha A7R IV, A7SIII and Sony A9 II Configure your L-Bracket:Complete with SS2 Strap Port | END-OF-LIFE Fits all camera flashes withKey Features Custom fit L Bracket for the Sony A7R IV and Sony A9 II Captive 1 4 20"camera mounting screw Integrated magnetic Allen wrench storage Vertical and horizontal safety stops Arca Swiss compatible Unobstructed LCD access Easy battery access Precise centering lines for easy panorama shooting Made of Aircraft grade aluminum Extra 1 4 20" mounts for straps and other accessories Integrated QR strap ports for ProMediaGear straps Sliding vertical