Keermekamm

Screw Pitch Gauge in Metric and Thread Per Inch (tpi) (SAE) measurements. Metric Sizes: 0.5mm, 0.6mm, 0.7mm, 0.75mm, 0.8mm, 0.9mm, 1.0mm, 1.25mm, 1.5mm, 1.75mm. SAE - Threads per Inch: 12, 13, 14, 16, 18, 20, 24, 27, 28, 32, 36, 40. Keep gauges oiled slightly to allow easy selection.