The Bahco 400mm Sliding Combination Square is the largest option in the range, designed for extensive layout work, larger workpieces and professional applications requiring extended reach. This 400mm blade length excels in timber framing, large-scale carpentry, metalworking, and any project where longer measuring and marking capabilities are essential. Featuring both metric and imperial markings along its extended ruler blade, this professional-grade square provides precise 90° and 45° angle marking with adjustable depth for repetition marking and scribing tasks. The built-in level bubble offers approximate levelling functionality for layout work, whilst a metal scriber is conveniently contained in the end of the tool for immediate access when marking materials. Features and Benefits:400mm blade length for extended reach on larger projectsDual metric and imperial markings for versatile measuringPrecision 90° and 45° angle markingAdjustable depth for consistent repetitive sc