External Pipe Threading Alloy Steel Dies Suitable For Rothenberger Make Pipe Threading Mach Ne Of Size: 1" Bspt To 2" Bspt. Make: Rothenberger, Asada And Super Ego Only. 1) 1/2"Bspt - 3/4" Bspt = 01 Set. 2) 1" Bspt - 2" Bspt = 01 Set. (As Per Annexure-I Attached) [ Warranty Period: 30 Months After Th E Date Of Delivery ] ]