This QR L bracket is made of high-quality aluminum alloy material and features precision CNC machining for a perfect fit with your camera. Features: 1. Aluminum alloy construction with CNC precision machining and black anodized finish for durability and strength. 2. Integrated hollowed-out design with seamless bonding that allows access to the battery compartment and data ports without interference. 3. Quick release design compatible with Nikon D4, D4S, D5, and Arca-Swiss style camera systems. 4. Equipped with a 1/4"-20 threaded hole for attaching additional accessories such as tripods, mounting platforms, and rails. 5. Lightweight and compact design for easy portability and convenient use. Specifications: Condition: Item Type: QR L Bracket Material: Aluminum Alloy Color: Black Model: D810-L Screw: 1/4" Compatibility: Designed for Nikon D4, D4S, D5, and Arca-compatible cameras Dimensions: Approximately 11 x 12 x 9 cm (4.3 x 4.7 x 3.5 inches) Weight: Approximately 173 g Package Includes: 1 x QR L Bracket 1 x Spanner Note: Cameras are not included.