1708 double bias fiberglass has 17oz cloth(+45°/-45°) with 3/4oz chopped mat backing. Total weight is 25oz per square yard. Ideal for boat build, composite parts repairs and reinforcing. Standard roll width:50”(1.27m), narrow width available. Fibercore 1708 fiberglass biaxial (+45°/-45°) is produced by JUSHI/CTG brand roving with Karl Mayer brand knitting machine, which guarantees outstanding quality.