1/4 in - 2 in RIDGID 711 Universal Self-Opening Right Hand NPT Die
3/8 in x 1/4 in Interstate Pneumatics CA640Z FPT Auto Steel Coupler Reducer - Silver
3/4 in x #10 Pro-Twist 5/16 in Hex Washer Head Zinc Plated #3 Drill Point Screw - 5 lb