3 inch knockout

• Arlington Industries LPCG757BL 3/4-Inch Low-Profile Strain Relief Cord Connectors, 10-Pack

  

  Go to see$27.66

• Kershaw 1870 Knockout SpeedSafe Folding Knife

  

  Go to see$52.21

• AcuRite 00613A1 Indoor Humidity Monitor

  

  Go to see$5.50

• Steel City 2G4DV 1/2 3/4 Pre-Galvanized Steel Double Gang Square Box with CV-Bracket and 1/2-Inch and 3/4-Inch Knockouts

  

  Go to see$23.49

• Thomas & Betts XC29050CP 50-Pack 3/8 x 1/2-Inch Knockout - Quantity 10

  

  Go to see$409.26

• Steel City 531511234UB Pre-Galvanized Steel Square Box Extension Ring with 1/2-Inch and 3/4-Inch Knockouts

  

  Go to see$3.24