Armaspec Stainless Steel 4 Pin Kit Set for Glock® Gen 4 Fits Glock® 17,19,20,21,22,23,26,27,34,35,37,38,39 These pins will not fit Glock® models 36 or 42 Made in U.S.A INCLUDES: (1) Trigger pin (1) Locking block pin (1) Ejector housing pin (1) Extended ejector pin Glock® is a registered trademark of Glock, Inc. 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.