Grovtec Us Inc Folding Cartridge Holder Any Handgun Ammo Elastic Nylon Color:Black It works with all commercially this classic fisherman s It works with all commercially available MTB and E MTB drivetrains from Shimano to Box to Sunrace taking up minimal space in your backpack GrovTec Folding cartridge holders for handguns rifles and magnum rifles are engineered for exceptional performance and longwearing durability Designed and manufactured within the Clackamas Oregon facility they control every quality detail down to the bar tack reinforced stitching resulting in superior construction that is enjoyed for the life of the product