(Deutsche Arbeitsfront Stoßtrupp Gürtelschnalle). Constructed of aluminum, the obverse bearing a central raised mobile swastika set within a cogwheel, with each corner bearing a stylized rivet, the reverse with a crank catch and swivel attachment claws, marked with a Reichszeugmeisterei (RZM) logo, maker code “M4/39”, and the logo of F.W. Assmann & Söhne, Lüdenscheid, measuring 62 mm (w) x 48 mm (h), with slight surface scratching evident, a rare crank catch version in extremely fine condition.