Tube Gauge
Using three-point ball contact makes it easy to use for measuring Tube I.D. and tube sheet holes.
Description
Using three-point ball contact makes it easy to use for measuring Tube I.D. and tube sheet holes. The reversible dial plate offers metric on one side and inch/decimal on the other side. Standard measurement depth is 4” or 8” with add-on extensions available. Each extension adds 8” of reach to the gauge.