Safariland Duty Gear MK3 Hidden Snap OC Pepper Spray Holder (Plain Black) Dimensions: 1.5"(38mm) (diameter) x 4"-4.5"(10.16cm-11.43cm) (high). Fits Defense Technology MK3 1.47 oz. Part of the 6004/6005 Tactical System Constructed from SafariLaminate a unique thermal laminate