Feature: 1. Strong Scalability: The bottom has 6 1/4in screw holes and 1 3/8in screw hole and for Arca bayonet, which can be installed on tripods, slide rails, stabilizers and other equipment. 2. Durable Material: Using high quality aluminum alloy material, CNC processing technology, anodized treatment, strong and durable. 3. Safety Protection: Internal spring structure, strong resilience, safe and reliable, with safety lock to avoid accidental touch. 4. Simple and Portable: Shape is small, lightweight and portable, does not take up space, simple operation and can be placed anywhere. 5. Easy to Install and Remove: Easy to use, without any difficult requirements even though you use it for the first time. Specification: Item Type: Quick Release Plate Base Color: As Pictures Shown Material: Aluminum Alloy Weight: Approx.40g/1.4oz Interface: 1/4in Screw Hole, 3/8in Screw Hole, for Arca Bayonet. Package List: 1 x Quick Release Plate Base