Features Overall Function: Surface is smooth, the scale is clear, wear resistant and durable. Durable Material: Ruler body is made of alloy steel, which is delicate and not easy to rust. Nut Knob: Tightening adjustment, fixed data lock target, convenient and practical. Measuring Range: 0‑150mm/0‑5.9in measuring range, 0.02mm high accuracy, easy to measure. Quality Assurance: Strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: Depth Vernier Caliper Color: As Pictures Shown Material: Alloy Steel Range: 0-150mm/0-5.9in Weight: Approx.377g/13.3oz Package List: 1 x Depth Vernier Caliper 1 x Plastic Box Package List 1 x Depth Vernier Caliper 1 x Plastic Box