true angle

Hi I'm starting to put up crown moulding and have heard that the True Angle tool is good for this. Has anyone used it? How did you like it.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.