The TRACER APS12 PRO SQUARE 12 INCH is an adjustable aluminium square designed for accurate marking and measuring on building sites. Its lockable arm and clear gradations make it suitable for precise layout of roof timber cuts, including common, jack, hip, and valley cuts.
Frequently used by carpenters and builders, this tool allows for repeatable angle settings and direct measurement with a built-in 260mm ruler along the plumb edge. It offers reliable results for tasks such as setting out seat cuts and marking parallel lines, helping to speed up roof construction and timber framing work.
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