The Lumatic Thread Identification Plate enables quick and easy identification. For use with grease nipples, machine screws etc. Thread Sizes: Metric: M6 x 0.75, M6 x 1, M8 x 1, M8 x 1.25, M10 x 1 and M10 x 1.5 UNF/ANF: 1/4in, 5/16in and 3/8in BSW: 1/4in, 5/16in and 1/2in NPT: 1/8in, 1/4in and 3/8in BSF: 3/16in, 1/4in, 5/16in and 3/8in BSPT: 1/8in and 1/4in Ref: UTTK10464