Full-Metal Caliper with Locking Screw

This full-metal caliper with locking screw is a dedicated inside groove caliper for measuring internal cylinder bores and recessed channels. It has a measuring range of 9-150 mm. It is crafted from carbon steel with a premium chrome finish. The metric scale has a resolution of 0.02 mm. It features a metal thumb wheel for fine adjustments and a locking screw to secure measurements. It is suitable for precision machining, automotive repair, and quality inspections.