Features: Headset helmet mount helps you to suspend the headset to the helmet. Suitable for 19-21mm helmet rails. The bracket is made of high-quality material and has nice durability to hold the headset stably. Some assembly is required, mainly removing the ear muffs from the headband and then snapping them to the adapters. Rotating design allows the headset to swing up when not in use, improving the comfort and protections of the helmet. Wide ranges of applications, suitable for team activities, tacticals games, shootings games, movie props, etc. Specifications: Color: Black / Brown(optional) Material: PVC Suitable: For all 19-21mm Helmet Guide Rail Package Size: 140 * 140 * 30mm/ 5.5 * 5.5 * 1.2in Package Weight: 80g/ 2.8oz Packing List: 1 * Pair of Helmet Rail Suspension Bracket