This Tyrant Designs Diamond Cut Pin Kit is manufactured from stainless steel and a great improvement over the OEM Glock Pins. Replaces the Glock locking block pin, the Glock trigger pin, and the Glock trigger housing pin. FeaturesDrop inUpgraded geometryCNC machined 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.