Style 6781 is an 8.95 oz/sq yd 8 harness satin weave S-2 Glass fiberglass cloth. Style 6781 uses the yarn SCG 75 1/0 in the warp and fill. Style 6781 has a thickness of 0.0097 and a thread count of 57 x 54 ends/inch. We have a few hundred yards of Style 6781 in 50" width finished in the soft aerospace silane 497A in 10, 20, 30 and 50 yard rolls.