Marson RN-1 Rivet Nut Setter Tool M39300 Kit

Hand-operated rivet nut setter M39300 (RN-1) by Marson (Howmet), equipped with quick-change mandrels and nosepieces for #8-32, #10-24, and #10-32 threads; features include longer handles for improved leverage, adjustable stroke with a positive-stop locking feature, heat-treated steel upper handle, aluminum alloy body, and comes in a heavy-duty pouch with built-in storage and service wrench. Sets steel rivet nuts up to ¼-20 (UNC) and metric 6 mm threads.