Compact, accurate spring caliper for precise layout and marking Precise measurement and control: At approximately 150 mm total length, this caliper gives reliable, repeatable markings for detailed layout work. Its size makes it easy to handle while still providing useful reach for small to medium pieces. Durable construction: Made from excellent carbon steel with the tip hardened by high-temperature quenching. The hardened tip improves wear resistance and extends service life so the tool stays accurate over many uses. Fast, stable adjustments: The responsive spring mechanism lets you set and change spans quickly and holds the setting steady during marking or scribing, reducing slips and rework. Versatile functionality: Use it to draw arcs and circles, divide distances, mark line segments, transfer sizes, and lay out repeating measurements. Its compact design makes it convenient to carry in a tool roll or bench drawer. Practical applications Woodworking layout: Accurately mark tenon and dovetail spacing, scribe reference lines, or lay out circles for table legs and turnings. Furniture repair and joinery: Transfer consistent measurements across parts when fitting trim, inlays, or hardware. General shop marking: Divide gauges and mark repeated intervals on small panels or components where precision matters. Key specifications Total length: approximately 150 mm Material: excellent carbon steel Tip: high-temperature quenched for increased hardness Mechanism: stable, responsive spring for quick adjustments Primary uses: drawing arcs and circles, dividing gauges, line segments, and size measurements A compact, reliable layout tool that combines accuracy, durability, and quick adjustment for everyday marking tasks.