The Silverline 5m x 19mm and 3m x 16mm Auto Blade Measuring Lock Tape is ideal to have in any tool box whether the user is in the professional trade or a DIY enthusiast. The blade automatically locks when extended making ease of measuring larger items without having to use two hands. To retract the blade it is just an easy press of a button. With a belt clip for easy transportation around job sites. To fit all people this tape has metric and imperial graduations. Supplied as a tape measure and belt clip.