Beslands Telescopic Gauge Set 6 Pcs Adjustable Inner Diameter 8 150 mm T Bore Hole Gauges Measuring Tool

Suitable size: it includes 6 different ranges (8-12.7 mm, 12-19 mm, 19-32 mm, 32-54 mm, 55-90 mm, 90-150 mm) for your choice. High quality internal diameter gauge: The surface of the product is nickel-plated, with a long service life and a shiny surface, the arc of the measuring head is good. Non-slip handle: The handle has a diamond grid, making it more convenient Soft and constant spring voltage: constant spring tension gives uniform contact pressure Locking device: The tail has a locking device, which can be loosened counterclockwise and tightened clockwise.