BRITISH STANDARD PIPE TAP & DIE SET BSP BSPP TAP DIE SET. SET OF 2 TAPS - ONE TAPER & ONE BOTTOM TAP.
SPLIT DIE SIZES AS UNDER. 1/8" x 28 TPI - 1" OD. 1/4" x 19 TPI - 1.1/2" OD. 3/8" x 19 TPI - 1.1/2" OD. 1/2" x 14 TPI - 2" OD. 5/8" x 14 TPI - 2" OD. 3/4" x 14 TPI - 2" OD.