C.H. Hanson 3x4x5 90-Degree Folding Layout Asquare

Only true 3-ft x 4-ft x 5-ft square. Aircraft aluminum construction. Collapsing triangle for easy storage. Easy to use for quick and accurate work. Uses: carpentry, layout, angle layout, squaring, framing timber, masonry, pavers and much more. Accurate to within 1/32 in. Great for tile work.