Set of 6 telescopic micrometers for inside diameter - Adjustable telescopic gauge for inside diameter, 8-150 mm

Versatile Sizes: Includes 6 different measuring ranges (8-12.7 mm, 12.7-19 mm, 19-32 mm, 32-54 mm, 54-90 mm, 90-150 mm). High-Quality Inner Diameter Gauge: Nickel-plated surface for long life and a bright finish; precise curvature of the measuring head. Non-Slip Grip: The textured grip makes measuring easier. Constant and Uniform Spring Tension: The constant spring tension ensures even contact pressure. Locking Mechanism: The locking mechanism allows for loosening counterclockwise and tightening clockwise.