STANLEY's 10 meter Powerlock measuring tape (accuracy class II) is an extra strong, 25 mm wide, curved tape covered with a fully protective Mylar layer. The end hook is triple riveted, adjustable for internal and external measurement. The robust plastic housing is shock-resistant chrome-plated and polished. The Powerlock tape measure also features a locking mechanism, belt clip and controlled automatic tape rewind for optimal protection of the end hook.