The Model 79 Slimline Open-Top Double Magazine Pouch is designed to carry two magazines vertically on a 2.25" (58mm) duty belt. The magazines are oriented face out to save space on the belt. It's constructed of rugged SafariLaminate(TM) and is available in several scuff-resistant finishes with four different closures. Fits: Glock 17,22,37,34,35 Magazines Size Group 5