High-Quality Material: This quick-release clamp is made of high-quality, surface-treated aluminum alloy with a high-resistance anodized finish, making it solid and durable. It easily attaches to ball heads, supports, tripods, and other camera accessories. Direct Mounting: The adapter plate is fixed via a 3/8 threaded hole on the tripod/monopod and also comes with a 1/4 female adapter. The slot on the base support is designed to accommodate the Arca standard from 33 to 38 mm. Level and Scale: The 2 integrated spirit levels offer control of the vertical or horizontal direction, helping you adjust the camera position with greater precision. Laser-engraved for easy recognition on both sides. Achieve simple and excellent photographic results. Easy to Use: The knob design simplifies the task; you can adjust the width of the quick-release block according to your needs, for joints, supports, tripods, and other accessories. Safety U-shaped grooves effectively prevent the camera from accidentally falling when mounting the quick-release plate. Wide Application: The universal quick-release plate clamp for Standard Arca Swiss is suitable for tripod ball heads, universal quick-release seats, monopod heads, and tripod quick-release plates, etc. It is compatible with ARCA-SWISS quick-release plates, allowing you to easily take professional and casual photos. Note: All data is measured manually. Please allow a 1 to 3 cm error. Due to differences in light and display, there will be some color difference. The actual product received will prevail.