This listing is for one trigger shoe safety only.TRIGGER SHOE IS NOT INCLUDED. Buyer chooses model and color.Serpico Performance= when PERFECTION  just isn’t good enough.Fits Gen 3-4 models 17 19 20 21 22 23 26 27 29 30 31 32 33 34 35 42 43 43X 48Compatible with Polymer 80Safety goes completely flush when depressed.WE STAND BEHIND OUR PRODUCTS. IF YOU HAVE ANY PROBLEMS OR QUESTIONS BEFORE OR AFTER PURCHASE PLEASE EMAIL US ANYTIME.THANK YOULIMITED LIABILITY AND WARRANTY We recommend installation of trigger safety, as well as inspection of all safeties in the Glock®  Safe Action® be done by qualified gunsmith or Glock® certified armorer.Our products are sold As-Is meaning it is your responsibility to inspect said products upon delivery and after installation. You the buyer are to notify seller immediately of any damaged, defective, or malfunctioning merchandise upon delivery or after installation. After the 30 day return period it shall be conclusively presumed by buyer and seller that the products were delivered in functioning and serviceable condition. No liability is expressed or implied during or after the 30 day return period for any accidental or consequential damage, injury, or death resulting from the use or misuse of this product. The sole liability of Serpico Performance shall be the repair, replacement, or refund of original purchase price of said product.It is your responsibility to make sure your weapon is safe to carry and operate after any modification from the manufacturer’s original configuration.By purchasing this product you are agreeing to these terms.Be safe and God Bless America. NO SALES OUTSIDE OF UNITED STATES “GLOCK” is a federally registered trademark of GLOCK, Inc and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H. Neither Serpico Performance LLC nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK  parts, or components.