SmallRig L-Bracket for Sony a7R IV and a9 II 2939 attaches to the camera using a 1/4"-20 screw, with an anti-twist design and rubber pad preventing wiggles or scratches. 

HIGHLIGHTS

• Built-in Flat Screwdriver.
• Form Fitting and Lightweight L-Bracket.
• Arca Compatible Base Plate and Side Plate.
• 1/4"-20 Accessory Threads for Added Mounting Flexibility.