Stanley 2-34-791 Open Reel Fibreglass Tape 30m / 100ft (Width 12mm) STA234791

26 fibreglass strands which ensure less stretch for a better accuracy and a washable blade which is non-corrosive and resists fading.
Blade is printed on both sides for easier reading.
Bi-material grip for comfort and folding rewind crank with rotating fingertip knob makes blade rewind smoother and easier.
High impact ABS case for a longer life with Class III accuracy.
Blade width: 12mm (1/2 in).