The Faithfull 400mm Combination Square is the largest model in the range, providing extended reach for larger workpieces, sheet materials and projects requiring greater measurement capacity. This 400mm version is particularly valuable for carpenters, joiners and fabricators working with full-size timber, sheet goods or large metal components. Engineered with a high-quality cast and machined sliding stock and equipped with a stainless steel rule featuring both imperial and metric graduations, this square maintains precision across its extended length. The integrated spirit level and marking scribe ensure comprehensive functionality, whilst the 400mm reach allows you to work confidently on larger scale projects without needing to reposition or take multiple measurements. Features and Benefits:400mm length provides extended reach for larger workpieces and sheet materials10+ applications including measuring rule, 90° and 45° squares, horizontal and vertical level, T-square slide, mar