Pocket ruler scale for step and depth measurements in millimeters; compact, portable measuring tool for quick checks in the field or workshop Caliper measuring tool constructed from strong plastic material; lightweight and pocketfriendly for easy daily carry Measuring caliper offers twoway measurement for internal and external dimensions; versatile compact measurement tool for precise readings Benefits and why you need it Portable and easy to carry in a pocket, allowing for quick access to essential measurements anywhere Durable plastic construction provides lightweight robustness suitable for everyday use Simple, twoway internal and external measurement capability simplifies common sizing tasks Clear millimeter scale supports precise dimension checks in tight spaces Specifically useful in Woodworking and carpentry: quick depth and step measurements for grooves, slots, and component fit Mechanical and hardware applications: measure inner diameters and outer dimensions of small parts, fasteners, or fittings DIY and hobby projects or electronics enclosures: verify dimensions and clearances during assembly or modification Usage scenarios Checking the depth of a groove or step feature on a wooden piece while fitting a panel or trim Measuring the inner diameter of a bushing or the external width of a connector to ensure proper fit Verifying small component dimensions during hobby modeling or electronics project assembly