The bahco 400mm try square is the largest variant in the range, specifically designed for substantial joinery projects, timber framing, shopfitting, and large scale carpentry where maximum blade reach is required. This 400mm blade length is ideal for checking angles on door frames, large cabinet carcasses, staircase components, and structural timber work. Constructed with an aluminium block and precision stainless steel blade, this try square maintains impressive 0.1 100mm accuracy even at its extended length, ensuring reliable measurements on your largest workpieces. The traditional design incorporates both 90° and 45° angle guides for versatile marking applications, whilst the removable indicator enables precise measurement transfer directly onto your material. This 400mm variant is the professional's choice when working with larger dimensions, providing the extended coverage needed for substantial construction and joinery tasks whilst maintaining the accuracy and quality bahco tools are renowned for. Features and benefits bull 400mm blade length for large scale joinery and framing applications bull robust aluminium block and stainless steel construction bull dual 90° and 45° angle guides for versatile marking bull removable indicator for accurate workpiece measurement marking bull 0.1 100mm precision maintained across full blade length specifications size mm stainless steel blade material 400