A-Square 4 ft. x 4 ft. Heavy Duty 45° Folding Layout Tool

A-Square 4' x 4' Heavy Duty 45° Folding Aluminum Layout Square Tool Features The ONLY Folding 4' x 4' x 54" 45° degree layout triangle Easier - Faster - More Accurate It saves time and money by making it possible for one man to perform the task of two Built to withstand rugged handling, Easy to clean, Won't rust! Provides actual 90° angle and two 45°angles in a folding layout square Aircraft quality anodized extruded aluminum Collapsing triangle guarantees precision layout Positive locking, easy to use, more accurate, folds to store Great for tile work