Best Seller | Mayes Brothers Tool Manufacture 1590884 Poly Level Ruler-Non-Magnetic 24 in. The Polystyrene Level Ruler by Mayes is both a level and a ruler with plumb and level vials (accurate to 0.001 inch). Made of lightweight and durable high impact composite polymer (just over 3/8 inch thick) it has easy-to-read numbers and tapered... more | | $20.45 FREE shipping go to store |