Gardner Bender KOM300 Slug-Out Mechanical Knockout Set, Contractor Punch, Die & Drive Screw Set, Conduit Pipe Size Cutting Diameter, 3½" Hole Size, Punches 10 AWG Mild Steel & 12 AWG Stainless Steel,

Manufacturer:‎Gary Cooper Publishing House
Part Number:‎KOM300
Item Weight:‎5.38 pounds
Product Dimensions:‎6 x 3 x 1.5 inches
Country of Origin:‎China
Item model number:‎KOM300
Is Discontinued By Manufacturer:‎No
Size:‎3"
Style:‎Punch, Die & Draw Stud
Material:‎Stainless Steel, Alloy Steel
Item Package Quantity:‎1
Head Style:‎Round
Number of Handles:‎1
Measurement System:‎Imperial
Batteries Required?:‎No
ASIN:B002FCG9FG
Date First Available:June 29, 2009
Four-point punch design allows slug to fall free from the die without splitting, tapping or prying
Interchangeable with most tool brands
Punches 10 gauge mild and 12 gauge stainless steel
Punches hole designed for 3 Inch pipe or conduit
Actual hole diameter 3.542 inches