Double D Shaped Knockout Punch Unit for use with any Greenlee hand or hydraulic driver Double D Punch Unit 1.375″ (34.9 mm) x 1.125″ (28.6 mm) Sold only as Complete Unit To view more info on the Greenlee site Click Here
Application : Rectangular Knockout Punch Unit for use with any Greenlee hand or hydraulic driver Size : 1.81 x 3.62 In Type : Rectangle Punch Unit for up to 10 gauge mild steel
