Versatile usage Measures inside and outside diameters, depths, and steps, making it suitable for woodworking, metalworking, and a range of other applications. Designed for both professionals and DIY enthusiasts who need precise measurements. Precise measurement and durability Oilgauge caliper with shockproof design for accurate readings up to 150 mm. Allmetal caliper made from alloy to withstand heavy use while maintaining accuracy. Easy to carry and store Compact size and light weight for easy daily handling, storage, and transport. Build and features Stainless steel verniers, pachymeter, and a metalgauge ruler for durable, precise measurement. Adjustable bezel and long jaws enhance versatility for depth and step measurements. Comes with a fitted case for protection and organized storage. 23 practical use scenarios In a mechanical workshop: measure inner and outer diameters of shafts and holes, and assess depth. In woodworking: determine board thickness, depth of mortises, and stepped dimensions. In carpentry and metalworking projects: verify thickness tolerances, check gauge readings, and ensure precise alignment. This caliper is built to deliver reliable, repeatable measurements across a range of materials and tasks, with a focus on durability, precision, and practical handling.