Rafter Square 170mm is a lightweight and precise triangular square. This multi-purpose square combines the functions of a tri square, combination square and framing square in one. Featuring a 0° to 90° protractor scale for use as a saw guide with embedded degree markings for easy legibility.

• 3 in 1 – combination square, try square and protractor
• Maximum accuracy
• Mitre square and framing square
• Durable etched scales for ease of visibility
• Calculate angles of roof frames quickly and easily
• Built-in notches for scribing
• Robust aluminium frame