Southwire Tools' Max Punch XD Knockout Tool
Southwire Tools’ Max Punch XD knockout tool is used with an 18V cordless drill and Southwire’s three-point dies to deliver a knockout up to 4 in. in 10-gauge and stainless steel. It features thread-in/thread-out removable drawstuds and a replaceable chuck adapter, making it a field-serviceable tool. It is designed to use most standard knockout dies.