Model Number: GD-15 Series 30m/50m Brand Name: GDLON Key Specifications/Special Features: 1. GDLON double coated fiberglass guarantees lifetime use2. Tough tapes won't break even when vehicles drive over them3. More durable than steel, more functional than cloth tape4. Heavy-duty case construction with impact resistant ABS case or frame Order codem/ftmm Packing GD-3015 30m/100ft 15mm 40 pieces/carton GD-5015 50m/165ft 15mm 20 pieces/carton