Y510-F03-A is a pneumatic air cylinder produced by SMC, with a mounting element of G 3/8, an inside diameter of 55g, and a cylinder body made of anodized aluminum. It features a built-in rod lock mechanism, which prevents the rod from being unintentionally pushed out, as well as a single-acting, spring return type of operation, with a mechanical cushioning feature at the end of stroke. Additionally, it has an adjustable auto switch and can be installed with a variety of mounting methods, such as foot mounting and bracket mounting.