Specification:

Model: A9 A7R3 A7III
Material: Aluminium alloy
Color: Matt black
Length: 137mm
Width: 34mm
Height: 89mm
Adjustable:20mm
Mounting Screw: 1/4"

Features: 

Quick release L-bracket & camera grip custom for Sony A7 MARK III Camera.
Right-angle quick release "L-brackets" fit the base of your digital or film camera.
Quickly release, turn, and remount your camera for either a horizontal or vertical shot.
The base plate has reserved extra 1/4" threaded mounting holes and strap hole for additional functions.
These plates work especially well when you're using shorter macro, wide-angle, and tilt-shift lenses.

Package Included:

1 x Adjustable Quick Release Plate