High Quality Materials: Quick Release Clamp and Plate are made of high quality aluminum alloy with CNC precision machining technique, and feature anodized surface which is very strong, durable, wear-resistant and corrosion-resistant. Easy to Use: Tripod Monopod Ball Head Camera for Arca Swiss standard 38mm bayonet camera with 1/4" to 3/8" adapter, multi-hole connection and button design makes it easy to mount on ball heads, mounts, tripods and other accessories .Bubble level: Aluminum Quick Release Plate Clamp -Built-in spirit level, easy to observe whether shooting horizontal or vertical. easier shots and better photographic results, clear markings make reading easier. Safety design: Quick release clamp adapter protects your camera from accidental drops, button design makes it easy to mount on ball head. is durable and easily adapts to ball heads, mounts, tripods and other camera accessories. Widely Compatible: Arca Swiss Klemme for tripod compatible with any Arca style plate with 1/4 inch or 3/8 inch internal thread screws,generic ball head and 38mm quick release plate,Arca Swiss Standard is suitable for tripod ball head,universal changeable seat quick release, monopod ball head, tripod quick release plate etc. Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, it there will be some color difference, depending on the physical item received.