Limited time deal. Amazon has the VEVOR Ratchet Pipe Threader Kit with 6 Dies & Storage Case (KT1106A) for $31 with free shipping on $35+ or with Prime. 

Includes 6 threading dies (1/4" NPT, 3/8" NPT, 1/2" NPT, 3/4" NPT, 1" NPT, 1-1/4" NPT), a durable handle with an extension bar, a wrench bracket, and carrying case.