【Sturdy Metal】Arca rail is precision machined from 6061-T6 solid blocks, lightweight with no excess weight. It weighs only 1.52 ounces and is 2.75 inches long, and has undergone long-term hard anodizing treatment. The screws are made of stainless steel, making them more sturdy and corrosion-resistant. | 【Easy to Install】Our picatini arca swiss plate offer different installation methods. You can use a quick clamp to hold the Picatini arca rail mount, or you can directly install the Picatini arca rail mount onto the head ball through screw holes. We offer three sizes of screw holes (1/4 inch, 3/8 inch, M6). | 【Compatibility】2.75 "dovetail semi permanent board, compatible with Arca Swiss QR board and RRS standard dovetail quick release fixture, as well as various tripod ball heads, it allows you to quickly and easily install on the tripod. | 【Anti-Recoil Design】A total of 4 detachable stop screws at the front and rear ensure a reliable hunting experience, effectively reducing the risk of falling, also equipped with functional anti clogging beveled edges, ensuring stable shooting. | 【Stable Shooting】Arca swiss is fully suitable for Picatinn rail, and by using our product, you can quickly install the rifle on a tripod for a stable shooting experience.