The RIDGID 17577 Knockout Tap and Die 2-1/2 Inch Kit is a 2-1/2 inch knockout tap and die set from RIDGID. It provides the tapping and threading capability needed to create a 2-1/2 inch knockout hole in metal workpieces. This kit is identified by the RIDGID 17577 model number and is intended for use where a 2-1/2 inch knockout size is required.
