1. Double parallel marking tools, multi-functional marking tools, arc gauges, straight marking gauges, adjustable metal woodworking marking tools. 2. Adjustable ruler - 120 mm cylindrical vernier caliper. The ruler can be adjusted to different lengths and can be used for parallel marking, tenon marking, arc marking, wire cutting marking, etc. 3. All - metal ruler body - Made of aluminum alloy and stainless - steel ruler body, with brass fastening nuts. The all - metal structure is suitable for a variety of environments, rust - resistant and durable, facilitating your woodworking operations. 4. Y - shaped roller guide rail, which can perform edge marking at any angle, mark circular and straight edges, and has parallel scales for easy processing. 5. All configurations are complete. You can use it directly after receiving it without additional accessories. It is a fast and efficient woodworking marking tool. 6. Color: Silver 7. Material: Aluminum, stainless steel 8. Dimensions: 28×10.5×6.8 cm 9. Package contents: - 1 multi - functional line - 2 pencils 10. Only the above package contents are included, and other products are not included. 11. Note: Light reflection and different monitors may cause slight color differences between the items in the picture and the actual objects. The measurement error is allowed to be plus or minus 1 - 3 cm.