ZEV Technologies Titanium parts are precision machined from aerospace weapons grade titanium and engineered to be lighter, smoother, and stronger than their factory counterparts. The Titanium Pin Kit contains a Ti trigger pin, Ti locking block pin and Ti ejector housing pin. FeaturesSize specific pins for each location, easily identifiableEasy to installGrooved for retention and better grip in frame DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.