Sealey measuring tape 7 5m auto function metric imperial sealey ak9831a powered tape measure that extends and retracts with the push of a button enabling one handed operation heavy duty composite case with rubber cover and belt clip nylon coated steel blade with metric imperial scales and snap length of two metres built in light for ease of use powered by 4 x aaa batteries supplied sealey ak9831a measuring tape 7 5mtr 25ft auto function metric imperial