Set of 4 adjustable inner diameter gauges for manual expansion holes 3–13 mm

Robust and easy to use, your perfect assistant for work and life. With comprehensive specifications and numerous measurements, it is ideally suited for your work and everyday needs. Vacuum hardened, titanium-plated for a longer lifespan, and with a brighter exterior surface. Features a precise, non-slip handle and adjustable opening, allowing you to do what you need and work more efficiently. The telescopic inner diameter gauge uses a spring-loaded piston that expands and contracts within the hole (or groove). It can be used with a micrometer or caliper and has a knurled locking mechanism. Specifications: Color: See photo. Dimensions: See photo. Quantity: 4 pieces. Material: Carbon steel. Method: For measuring small holes, slots, and grooves, use a micrometer or caliper with a knurled locking mechanism. Package Contents: 4 adjustable telescopic measuring gauges, 1 storage bag.