The stairsquare is available for purchasing in either metric or imperial at www.stairsquare.com

 
 
 
 

Real 

inventions created by Derek pater 

Contacts 

For any enquiries please contact: Derek Pater at 

realinventions@gmail.com

Great feedback 

Hi thank you for your prompt reply I really appreciate it. I also own your stairs Square Layout Construction Tool it's fantastic. I have built many stringers with it I know the roofing protractor will be just as good
Thanks