Ductile iron construction for added durability|Precision located degree scale, star, arrow and rim notch for perfect bends every time|Markings are raised and cast into bender body on both sides for easy visibility|Deeply serrated step helps prevent slippage when applying maximum leverage|Grooved internal hook surface helps prevent conduit from slipping|Flat hook surface provides stable starting point|Withstands a lifetime of heavy use|Exceptional, durable, materials for extra strength, and reinforced at stress points for longer life|Ductile iron material is stronger than malleable iron or aluminium