Johnson 1956-1800 18cm Metric Johnny Square, Professional Aluminum Rafter Square. Anyone looking to make fast accurate 45° and 90° markings will appreciate this tool. Solid aluminium body for assured durability and precision, CNC machined edges for guaranteed accuracy, EZ Read™ laser etched graduations and numbers are highly visible, Thick edge is useful as a saw guide, Continuous scribing notches - from 2cm to 12cm Low glare, E-Z™ Read protective anodized finish. Centimetre scale reads from 3cm to 10cm, Top cuts/hip and valley rafter scale, Degree scale /protractor.

• Solid 18cm aluminium body.
• CNC machined edges.
• Laser etched markings.
• 2cm – 12cm continuous scribing notches.
• Black anodized anti-glare finish.