Replacement Die 3" for Standard Round Knockout Punches This Replacement Die is designed for use with 3.000 inch (76.2 mm) Standard Round Knockout Punch Units. It is a precision component suitable for electrical distributors and switchgear suppliers requiring reliable knockout punch parts for conduit and wire/cable installations. Specifications Application: For 3.000 IN (76.200 MM) Standard Round Knockout Punch Unit Type: Replacement Manufacturer: Greenlee Manufacturer Part #: 51042580 Product Weight: 1.5900 lbs Dimensions (W x H x L): 4.7 IN x 4.6 IN x 4.7 IN Country of Origin: United States Made in USA: Yes UPC: 783310042587 Features Compatible with standard Greenlee round knockout punch systems Durable construction for consistent performance in electrical and lighting solutions Precision-engineered for accurate hole size and fit Downloads & Links Spec Sheet Spec Sheet