Moore And Wright Screw Pitch Gauge BA No 798 tb85m
	Accurately milled steel blades Designed to check both internal and external thread forms Marked with nominal size on each blade All blades fixed in a steel sleeve Screw cutting gauge included - 475 Degrees Screw Pitch BA 12 Blades - 0BA to 10BA 0BA, 1BA, 2BA, 3BA, 4BA, 5BA, 6BA, 7BA, 8BA, 9BA, 10BA