With active shooter situations, every second counts when effectively  barricading room intrusion. The Justin Kase universal patent pending  locking system can prevent unwanted entry in seconds. Even when door  locks are compromised by gunfire, the door cannot be opened.  

When needed, the unit is placed at the bottom of the door and the feet  are placed under the door. As the user easily adjust the width to the  door frame, the feet lock in place to the door jam and is locked by a  quick turn of the locking knob.  

 Features: 

• Easy Placement When Door Is Closed. Does Not Require Door To Be Opened To Activate
• Activation In A Few Seconds
• Universal For Most All Commercial / School Classroom Doors 26"- 43" Wide And Wall Thickness 4"- 9"
• Securely Locks The Door Even If Door Lock Is Compromised
• No Need For Costly Locks or Locksmiths
• Light Weight Steel Construction, 10 LBS
• Includes Lettered Wall Mount Bracket
• Powder Coat Finish
• Limited Lifetime Warranty
• Patent Pending
• Made In America

With active shooter situations, every second counts when effectively  barricading room intrusion. The Justin Kase Swing-Out Door Arm prevents  entry even if door locks are compromised by gunfire. 

When needed, the door arm quickly and easily slides into the holder  attached to the door and hooks over the door frame securing it from  opening.

 Features: 

• Universal Design Fits Nearly Any Door Frame
• Activation In Few Seconds
• Fits All Non-Glass Swing-Out Doors
• Riveted Construction
• Easy To Insert Arm And Lock Into Place
• Powder Coat Finish
• Limited Lifetime Warranty
• Made In America