Feature: 1. Able to scribe follow a curved edge as well as a straight one. 2. Graduations are in millimeter(mm), the 120mm precision gauge with engraved markings, fadeless and clear to read. 3. Contains a pen holder for holding pencil or blade to scribe marks on the wood. 4. Thumbscrew can be tighten after adjustment, won\u0027t slip off during the work. 5. Solid-built all metal construction, well-made and will last for years. Specification: Features: Able to scribe follow a curved edge as well as a straight one. Graduations are in millimeter(mm), the 120mm precision gauge with engraved markings, fadeless and clear to read. Contains a pen holder for holding pencil or blade to scribe marks on the wood. Thumbscrew can be tighten after adjustment, won't slip off during the work. Solid-built all metal construction, well-made and will last for years. Specification: Material: Aluminum alloy, stainless steel, brass Color: Silver Range: 0mm to 120mm Graduation: millimeter (mm) Item Size: 22*5*7.7cm / 8.66*1.96*3.03in Item Weight: 243g / 8.57oz Packing List: 1 * Scriber Tool 2 * Pencil Package List: 1 * Scriber Tool 2 * Pencil