It's innovation you can measure. The new STANLEY® Auto-lock Tape Measure is the first auto-locking tape with 11' blade standout. The auto-lock mechanism holds the blade secure until you are ready to release it, and a detachable framing hook is ready to grab studs when you need it. When it comes to increasing your productivity, let FATMAX® ®® give you a hand. 16' Auto-Lock Tape