Apex Tool Group RB4 HK 3/8-Inch No.3 and 1/2-Inch No.4 Extendable Indexing Rebar Bender, Red/Black Dual use head allows bending for both 3/8-Inch and 1/2-Inch rebar (No3 and No4) Pushbutton extends bender to 35-Inch for maximum leverage; collapses to just 21-Inch for convenient storage and portability 14-position indexing head adjusts with center pushbutton to allow total access for maximum leverage Extra-sturdy steel handles for the toughest conditions Super-strong indexing head grips rebar securely for accurate bends