Designed to measure hole diameters with clarity and ease Key features - Wide measuring range: 8-150 mm for different hole sizes - Retractable design: enables quick measurement and easy adjustment - Adjustable inner diameter: provides precise readings with a snug fit for reliable results Why this matters - Accurate hole verification: measure bore diameters quickly and reliably to ensure parts fit as intended - Time-saving use: retractable and adjustable components simplify setup when inspecting multiple holes - Consistent performance: adjustable sizing allows repeatable measurements across varying hole sizes Applications - Automotive maintenance and repair: verify bore diameters in engine components, cylinders, and housings - Machinery assembly and service: check holes for shafts, bushings, and mounting points during installation - Quality control and fabrication: confirm drilled or bored holes in metalworking, woodworking, and fabrication workflows