Quick Change Chisel Retainer Threaded to Fit a Variety of Pneumatic Hammer Models • Positive Lock Sliding Collar Prevents the Chisel From Separating From the Hammer • Designed for Use With "Turn" or "Non-Turn" Type Shanks • Red Colored Threads • One Year Limited Warranty • Fits Chicago Pneumatic All .401 Except CP716CLECO E3 E4 E15 E16, Dayton All Models, Ingersoll-Rand 115 116 117, and Matco All Models