Little tool, big results. Johnson’s easy to use 6″ combination square gives you the accuracy and precision you need for every job. Its stainless steel blade has english graduations of 1/8″, 1/16″ and 1/32″ as well as metric graduations that are permanently stamped, so you’ll never worry about them fading or wearing. It features a durable acrylic vial, heavy-duty cast zinc head with a black, chip-resistant e-coating finish, and hardened screw-in scriber that won’t fall out so that this combo square can withstand even the roughest job site abuse. It was also designed with maximum accuracy in mind – its square head is CNC machined for greater accuracy, and the Auto-Lock blade assembly makes it easier to accurately line up your tool for use.