The Lawson Products 1/4-28 SAE-LT STR 0.69OA Grease Fitting ZP 6201 is a set of 25 brass fittings designed for use in hydraulic, pneumatic, pump, and plumbing systems. Featuring a threaded connection with a male thread, these fittings are suitable for various industrial applications. Manufactured by Lawson, a trusted brand in the industry, these grease fittings provide reliable and durable performance for your plumbing needs.