Marson M39313 Aluminum Klik Thread-Sert Kit with Inserts and M39300 Tool

The Marson 39313 Aluminum Thread-sert Kit contains the RN-1 / 39300 Thread-setter tool in a molded plastic case with 10 each of aluminum inserts 6-32, 8-32, 10-24, 10-32-UNF, 1/4-20 inserts and 6 each of 5/16-18 and 3/8-16 aluminum inserts. Kit includes all necessary mandrels and nosepieces, wrench and instructions.