Features Packaging: Woodworking tool kit includes 1 wheel marking gauge and 1 dovetail clamp guide rail, which is very practical. Clear Scale: This wheel marking gauge has a carefully made valve body and knurled lock nut. The scale is clear, making the marking very easy and accurate. Dovetail Marking: Dovetail jig rails in this kit have 2 types of scales, 1:5 and 1:8, which can be marked with dovetail layout on softwood and hardwood. Advanced Materials: This dovetail clamp wheel marking gauge tool set is made of high-quality aluminum alloy, stainless steel and brass materials, with good corrosion resistance and wear resistance, and long service life. Easy To Carry: This dovetail clamp guide mark marking tool kit is made by professional craft, with exquisite workmanship, light weight, small size, and simple storage and carrying. Specification: Item Type: Marking Gauge Material: Aluminium alloy, stainless steel, brass.  Colour: Gold, silver, red.  Function: Woodworking marking tool, suitable for wood joints.  Package List: 1 x Scriber 1 x Dovetail Marker 1 x Wrench Note: Please allow a small error of 1‑2cm in the manual measurement. Package List 1 x Scriber 1 x Dovetail Marker 1 x Wrench