When doing A lot of exterior siding. I found that this tool comes in handy so much. Whether you're doing cedar shingle siding or you're doing clap board siding or in this case we're just using straight up shiplap for the siding. So this bevel square helps us to get the perfect cuts each time for our carpentry siding job! And another cool thing is the fact that it tells you the degree of the roof. Home improvement project, DIY tips and tricks for you! improvement project DIY tips and tricks for y