Shelf bracket -Quick release plate QR plate adapter Highlights generic brand Quick release plate QR plate adapter Description: The sliding quick release plate made of PU-70 * 38.5 mm, with a stainless steel screw , is a spare or replacement part for ball heads and other Arca-Swiss compatible quick release clamps. Compatibility: Adopt ACRA Akai international dimensions to international standard compatible with many current camera mounting bases (such as Benro, ACRA, KIRK, WIMBERLEY, RRS, Karen Bozi, MARKINS, FUKRON, INDURO, etc.) . Camera screw: Each quick release plate is equipped with a stainless steel camera screw. The camera screws can be directly locked by hand or the part strengthens the locking force to ensure the tightness of the camera and the quick release plate. Pads: The general layout of the non-slip pad allows the camera to better touch the quick release plate, which reduces the risk of camera rotation and injury to the bottom of the camera. Surface: After anodizing, corrosion resistance, wear resistance and smooth appearance. Specification: Material: Aluminum alloy Color: Black Length: 70mm/2.75inch Width: 38.5mm/1.5inch Thickness: 9mm/0.35'' (Universal thickness of Arca-Swiss standard QR plates) Weight: 38g Compatibility: Arca-Swiss Standard Package includes: 1 x PU-70 38.5mm Quick Release Plate Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thank you for understanding.