The Stanley FMHT33316S fatmax 16 ftauto-lock tape measure is the first auto-locking tape with 11' blade standout with blade Arm or coating for 10x** blade life. The auto-lock mechanism holds the blade secure until you are ready to release it; auto-lock mode for control and long blade life, and manual mode for the ability to disengage Lock for speed marking. A detachable framing hook is ready to grab studs when you need it and allows users to work efficiently in different conditions. Hook storage securely stores hook when not in use. When it comes to increasing your productivity, let fatmax give you a hand.