Klein Part #51201
Cast in calibrations plus a 2-position booster-step that makes it possible to bend up to 1-1/4" EMT and 1" Rigid and IMC without expensive power tools, eliminates the need for costly preformed elbows 
Specifications:
Type:  Bender Head 
Conduit - EMT:  1/2 
Handle Mtg - IPS:  3/4 
Handle Length:  Not Included 
Material:  Malleable Iron