Each Product Within The Milwaukee® Knockout System Was Built Upon The Principles Of Reducing The Tedious Steps Of Hole Making, Improving The Speed Of The Process, and Limiting The Fatigue Of The User. The M18™ Force Logic™ 6 Ton Knockout Tool Carries These Benefits Forward to Service Applications. It Is Powerful Enough to Punch Up to 4" Holes In 12-Gauge Mild Steel and 14-Gauge Stainless Steel, While Being 40% Lighter In Weight. It'S Compact, Right-Angle Design Delivers The Best Clearance In Tight Spaces.