Ruler KS Tools 300.0639 1m length 0.5mm accuracy

The KS Tools 300.0639 ruler is a 1 meter measuring tool engineered for precise linear measurements with an accuracy of 0.5 mm. Constructed for repeated use in workshop and field environments, the ruler combines a clear scale and robust materials to provide consistent readings for professional tradespeople and DIY enthusiasts. Its one‑metre length makes it suitable for tasks requiring extended straight edges while remaining compact enough for storage in tool cabinets or bags.

Advantages

The ruler offers high dimensional accuracy (0.5 mm) across its full 1 m span, enabling reliable measurement and layout work. Durable construction resists bending and wear, maintaining scale legibility over time. The clearly marked graduation ensures easy reading of millimetres and centimetres. Its straight, stable edge can serve as a guide for marking, cutting, or aligning components during assembly and fabrication.

Suitable for

• Carpentry and woodworking layout and marking
• Metalworking measurements and fabrication
• Interior finishing, tiling and flooring alignment
• Technical drawing and workshop measuring tasks
• DIY projects requiring accurate linear measurement

Key specifications

• Length: 1 metre
• Measurement accuracy: 0.5 millimetres
• Scale units: millimetres and centimetres
• Edge type: straight, rigid measuring edge suitable for guiding cuts and markings
• Typical materials: durable metal or alloy construction designed for wear resistance

How to use

Place the ruler flat along the surface to be measured, ensuring the start of the scale aligns with the reference point. Read the measurement at the point of interest directly from the graduated scale, keeping the view perpendicular to the ruler to avoid parallax error. For marking, hold the ruler firmly with one hand while making a precise line with a pencil or scribe along the straight edge. When using as a cutting guide, clamp or secure the ruler to prevent movement before running the cutting tool along the edge.

Usage recommendations

Store the ruler in a dry, protected place to avoid corrosion or deformation. Clean residues such as adhesives or metal shavings after use to preserve scale readability. Avoid using the ruler as a pry bar or hammer to maintain its straightness and measurement accuracy.