The Johnson Inch and Metric Combination Square gives you the accuracy and precision you need for every job. The metric combination square's stainless-steel blade has English graduations of 1/8 in., 1/16 in. and 1/32 in., as well as metric graduations that are permanently stamped, so you'll never worry about them fading or wearing. This combination square also features a durable acrylic vial, heavy-duty cast zinc head with a black and 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.