Johnson 406EM-S 6-in. Heavy Duty Professional Inch/Metric Stainless Steel Combination Square

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 etched in black for easy readability. 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.