0.002″ +/- 0.0001″ thick, 6 3/16″ wide, 100+ feet long. Spools are labeled 301 HALF HD CRSS. 002 x 6-3/16″. The manufacturer of the complete system-level electronic product is responsible for complying with 21 CFR 1040.10 and 1040.11 and for providing the user with all necessary safety warnings and information.