Cat® Tilting Dual Lock Pin Grabber Couplers - Mini Excavator allow work tools to be changed quickly - improving overall production and increasing machine versatility. The Tilting Dual Lock Coupler maintains a tight fit with an innovative wedge design throughout the life of the coupler. It can be used with compatible pin-on work tools and in front shovel mode with buckets. The Tilting Dual Lock Coupler also comes with a visible locking mechanism for added security.