Patent-pending design uses preloaded spring tension to lock the chuck in the closed position.

If you are focused on operational safety, Double E’s Auto-Lock™ Safety Chuck with exclusive Fail-Safe Closing™ is the answer. You can upgrade any brand of safety chuck.

Double E’s Newest Innovation in Web Handling Safety!

• Double E’s sliding design eliminates pinch points. 
   

• Redundant safety features ensure 100% roll security at closing.
   

• Flange mount and foot mount designs.

​

Double E’s Auto-Lock™ Safety Chuck Delivers Unparalleled Performance and Easy Installation

Ideal Upgrade for Any Traditional Safety Chuck

Auto-Lock™ Safety Chuck Features:

• All models include Fail-Safe Closing™ functionality.
   
• Exact drop-in replacement for any safety chuck, including obsolete SuperChuck models.
   
• Double E’s maintenance-free sliding action is safer, more reliable, and more durable than tilting faceplates. 
   
• Easy conversion – upgrade requires no bulky adapter plates. 
   
• Available in both foot and flange mount models.
   
• No need to modify shaft length or shaft center line height.
   
• Double E’s exclusive replaceable inserts with U (square) or V (square-turned-45°) jaws.