The G-Rafter 180 is a robust, precision rafter square with built-in spirit level.
 
182mm rule (plus mini ruler along the fence edge)
Protractor gauge along the hypotenuse edge
Scribe notches every 5mm
1/3rd scribe marks for common timber widths
Rafter length per metre of run table
Handy birds mouth line
360 bubble vial
 
Whether you’re framing, roofing, or cutting through the toughest materials, this rafter square is your go-to tool. An exceptional value premium square, ready to graft as hard as you do. 
 
BRITISH-ENGINEERED
 
CNC milled from the highest quality T6 4mm thick aluminium plate for durability and absolute precision. We CNC machine each tool to tight tolerances, with right angle precision of +/- 0.008° along the entire length. Combined with an aluminium fence rule and handy bubble vial. It’s versatile and built to withstand the grind of any jobsite. With ultra-precise and bright white, laser-etched markings. It delivers unmatched accuracy for measuring angles, making cuts, and laying out roof pitches.