Standard Round Knockout Punches - Electrical Conduit Punch Tool Standard Round Knockout Punches by Greenlee are complete metal punch units designed for creating clean, fast, and accurate holes in electrical conduit and pipe. These punches consist of a punch, die, and draw stud, and are compatible with battery-powered, hydraulic, ratchet, or manual drivers. Ideal for electrical distributors and switchgear suppliers, they are suitable for punching mild steel, aluminum, fiberglass, and plastic materials. Specifications Capacity: Mild steel up through 14 gauge (2.000 mm) Includes: Punch, Die, and Draw Stud Size: 15/16 inch (23.800 mm) Type: Standard Round Knockout Product Weight: 0.6000 lb Dimensions: 3.7 in (Width) x 3.8 in (Height) x 3.7 in (Length) Made in USA: Yes Manufacturer: Greenlee Manufacturer Part #: 50253417 Country of Origin: United States Features Complete punch units including punch, die, and draw stud for efficient operation Compatible with multiple driver types: battery-powered, hydraulic, ratchet, and manual Designed for clean, fast, and accurate hole punching through pilot holes Knockouts made in the USA ensuring quality and reliability Slug falls free in the die for easy removal Downloads & Links Spec Sheet Spec Sheet