ME - MODEL ENGINEERING TAP & DIES SET 7 SIZES - 55 DEG ANGLE SET CONSISTS OF : SET OF 3 TAPS & SPLIT DIE OF (OD 1" & 13/16") 5/32" x 32 TPI 3/16" x 40 TPI 7/32" x 40 TPI 1/4" x 40 TPI 9/32" x 32 TPI 5/16" x 32 TPI 3/8" x 32 TPI THESE TAP & DIES ARE MOSTLY USED IN OLD USA , BRITISH CARS AND MOTORCYCLES RESTORATION. MUST FOR THE STUART & TURNER, MAMOD AND OTHER LIVE STEAM ENGINES CLASSIC & VINTAGE OLD CAR / BIKE RESTORER ETC EMAIL US FOR ANY HARD TO SOURCE TAPS/DIES AND DIE NUTS. Feel Free To Ask Any Question.