Marson RN-1 Rivet Nut Setter 39300 and Aluminum Klik Thread-Serts in 7 popular sizes. Marson part number M39354. Includes tool, nosepiece and mandrels in sizes 6-32, 8-32, 10-24, 1/4-20,10-32, 5/16-18 & 3/8-16 (qty 10 of each size except qty 6 of each for 5/16-18 & 3/8-16 sizes).
