Through the use of die-casting for the unstressed components, this range of locks is manufactured in high volume and the economies of scale are passed on in lower prices than the solid brass Series 2 version. Extensively used by OEMs in keyed to differ format and offering over half a million key combinations and a wide variety of sizes and keying options, the Series 2D is an ideal way to specify radial pin tumbler security at a very competitive price. Supplied with a cam, body nut, Nyloc type tail nut and, when keyed to differ, two keys per lock.