Stanley 34-812 100 X 3/4-Inch FatMax Extra Wide Fiberglass Long Tape 3:1 gear ratio for fast rewind 3/4" wide blade with 64 fiberglass strands for 2x blade strength Double-sided blade with fractional inch and Decimal foot scales for versatility 3/4" wide blade 64 fiberglass strands provide 2X blade strength Blade is printed on both sides with fractional/decimal, metric/English formats for versatility 3-to-1 gear drive for fast rewinds. Two-color blade stands out in all light conditions Limited Lifetime Warranty