This timber frame layout tool will increase your accuracy, decrease your layout time and make the layout process more enjoyable. The square incorporates the features of a framing square, try square, speed square and a protractor all wrapped into one. The square has 1/16 inch scale with laser etched markings that are designed for easy reading. Pivot off one corner of the base to get the plumb cut angles, seat cut and any angles for compound joinery. Flip it over and get the opposing angles. It also makes peg layout a snap. The offset base aids in reference edge layout with graduated slots every 1/2 inch with notches on edges to mark every 1/4 inch.