
Craftright
The Trojan 300mm poly rafter square is a marking and layout tool for roofing, framing and general carpentry. Its triangular shape lets you scribe accurate 90 degree and 45 degree angles, and the printed conversion table gives you quick reference on the job. Lightweight poly construction keeps it easy to handle all day.
Used much like a speed square, it helps you mark rafters, set out cuts and guide a saw for straight, repeatable angles. If you have wondered how a rafter square works, the angle scales and pivot point make laying out roof pitches and stair stringers straightforward.
The Trojan 300mm Poly Rafter Square is a versatile tool for accurate angle measurement and marking in construction and DIY applications.
Engineered for precision in marking 90 degree and 45 degree angles, it features metric markings and a conversion table for quick reference. Constructed from lightweight poly, this rafter square is easy to handle.
You pivot the square against the edge of the timber and read the angle scales to mark accurate cuts, then use the body as a guide for your saw or pencil.
It measures 300mm, sometimes referred to as a 7 inch class layout square.
It is made from lightweight poly, which keeps it easy to carry and handle.
It marks 90 degree and 45 degree angles, and includes a conversion table for quick reference.
Yes, it works as a speed square for marking rafters and guiding straight, angled cuts.




