SPI 29° Acme Screw Pitch Gauges - Imperial is only available to buy in quantities of 1
Product Information
Used for measuring Acme screw threads. Leaves are made of corrosion resistant stainless steel, swing out for use and fold back away in holder for storage. Leaf dimensions are approximately 1-3/4 in long x .030 in thick; overall gauge length is 3-1/2 in.