Dan Cox answers some of the many questions posted in the comments section.
Dan’s Roofing Square & App:
🛒 https://www.essential-carpenter-tools.co.uk
Dan’s Playlist:
https://www.youtube.com/playlist?list=PLvRh7uimDQfejtJYfW_yI1U-EAkth0vxr
Tracer AMK1 Deep Pencil Marker with Lead:
🛒 https://amzn.to/3ARurQM