Features: Compatible with a variety of digital cameras. High quality aluminum alloy is used to ensure a light weight but super high strength support. Aluminum anodized surface treatment assures years of corrosion and abrasion-resistant operation. Two safety stop screws in both side to prevent drop of camera by accident. Special anti-slip rubber pads enhance the grip between each plate and the mounted gear, and protect the gear from any damage due to mounting. Specifications: Brand: Haoge Model: QR-200 Material: Aluminum Alloy Color: Matt Black Length: 200mm Width: 40mm Thickness: 10mm Screw: 1/4" & 3/8" Compatibility: Arca-Swiss Standard Compatible with: RRS / ARCA-SWISS / KIRK / Wimberley / MARKINS / SUNWAYFOTO / Kangrinpoche / BENRO / SIRUI Ball Head, Clamp or Panorama Head of AS standard interfaces (Note:the item can not fit RRS level-release system) Package included: 1x Haoge 200mm Quick Release Plate 1x 1/4" D Ring Screw 1x 3/8" D Ring Screw (Camera, Ball Head, Clamp and Panorama Head are not included)