The Linex 150mm Steel Ruler is a precision measuring tool for office, workshop, or educational use. This durable metal ruler features both metric and imperial measurement scales to accommodate various project requirements. A practical conversion table is etched onto the reverse side for quick reference during calculations. Designed for convenience, the ruler includes a hole at one end, allowing for easy storage on a hook or pegboard. It is supplied in a protective sleeve to maintain the integrity of the markings and edges when not in use.