Reinforced, double coated fibreglass tape resistant to markings and abrasions Flat lay 13mm wide blade ensures ease of use Heavy duty fibreglass will not rot, corrode or distort Non-conductive/sparking fibreglass protects user against electrical shock and is suitable for any worksite Quick rewind function for fast and easy tape retraction Double sided graduation markings Length: 50m Width: 13mm Thickness: 0.5mm Graduation Front: 2mm Graduation Back: 1/8"