[Package Included]This machinist ruler set includes 3 pieces of 6-inch (15cm) stainless steel rulers, enough for your daily use.[Material]This metric ruler is made of stainless steel, with clear scales, not easy to bend, and has a long service life.[With Detachable Clip]This metal slider ruler is designed with a detachable clip for convenient vertical, depth or height measurements.[2 Scale Units]This metal pocket ruler has 2 scale units, they are inches and millimeters, which are convenient for machinists' daily use.[Wide Application]This 6-inch ruler can be used as a drafting ruler or measuring tool and is widely used in offices, homes, drawings, engineering and other tasks.describe:Product name: stainless steel rulerMaterial: Stainless steelColor: silverProduct size: 6 x 1.3 x 1cmPackage Contents:3 x Stainless steel rulerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.