A300-15-GFEATURESSpool for precision layer diam. 12" (300 mm) INSIDE WIDTH: 3,55" (90.2 mm) CAPACITY: 33 lb (15 kg) Steel wire 11 lb (5 kg) Aluminium MADE OF: PC+ABS GROOVED: 0,042" (1 mm) / 0,045" (1,2 mm) ACCORDING TO: ISO 864:1988(E)