Metric Ruler with 0.5 mm Marked Increments and Center-Line Guide for Building and Workshop Layout

This metric ruler makes building and workshop layout easier to follow, combining 0.5 mm marked increments with highlighted 50 mm intervals. The Good Rule also includes a center-line feature to help measure offset lines and split centers when laying out a project.

Engineered ABS plastic and a brass protractor hinge bring measuring and quick angle reference into one tool. Its building references cover 600 mm spacing, 45 mm framing timber width and 300 mm screw spacing, helping you work through common layout tasks without repeatedly calculating those dimensions.

Features

• 0.5 mm marked increments support detailed layout work.
• Highlighted 50 mm intervals make larger measurements easier to locate.
• Center-line feature helps with offset lines and center splitting.
• 0–180° angle finder provides a quick reference for bends and brace layouts.
• 5 mm and 10 mm thickness references offer handy dimensional checks.
• Engineered ABS plastic body with a brass protractor hinge and brass pins.

Specifications

• Measurement system: Metric
• Marked increments: 0.5 mm
• Highlighted intervals: 50 mm
• Building spacing reference: 600 mm
• Framing timber width reference: 45 mm
• Screw spacing reference: 300 mm
• Quick angle range: 0–180°
• Thickness references: 5 mm and 10 mm
• Body material: Engineered ABS plastic
• Hardware: Brass protractor hinge and brass pins
• Colors: Green; Black; Yellow; Hivis Yellow

Frequently Asked Questions

How can this metric ruler help with building layout?

The metric ruler provides 600 mm, 45 mm and 300 mm references for common building dimensions. These correspond to sheet and framing spacing, framing timber width and screw spacing, respectively.

What does the center-line feature help me do?

The metric ruler's center-line feature helps you measure offset lines or split centers, making it useful when positioning a layout relative to a midpoint.

Can I use the angle finder for precise angle measurement?

The 0–180° angle finder is intended for quick angle reference and bevel-style use. Its angle feature can vary slightly between individual rulers, so use it for approximate checks such as pipe bends or brace layouts.

Do the 0.5 mm markings mean the ruler is accurate to 0.5 mm?

The 0.5 mm figure describes the ruler's marked increments, rather than a guaranteed measurement accuracy. It tells you how closely the scale is divided.