Specifically designed to hold multiple types of double stack or single stack 9/40 caliber magazines(choose in options when ordering). This ambidextrous double magazine carrier was created with serious training courses in mind. It uses low profile belt loops from 1.5" to 1.75" options. Sturdy .08 KYDEX® or HOLSTEX® available in a number color options to suit your need or match your Haven Sentry holster. All edges are sand and buffed to a smooth mat finish.