Johnson 420EM Professional Inch/Metric Metal Combination Square, 16", Silver DCS378B this tool offers a 4-speed

this tool offers a 4-speed pre-selection

blade gauge

Raised Magnetic Front Panel for Joust Clearance

Use pipe descalers to clean pipe before cutting or water tapping or drilling

Johnson 420EM Professional Inch/Metric Metal Combination Square, 16", Silver DCS378B this tool offers a 4-speedPRODUCT DESCRIPTION Little tool, big results. Johnson's easy to use 12" metal 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