Tactical Helmet Rail Suspension Bracket-360 Degree Rotation. Features: High Quality Nylon + Alloy Material. 360 Rotation Adjustment. Suit for Any 19-21mm Rail Guide Helmet. Specifications: Type: Accessories Name: Helmet Rail Suspension Bracket Item: Tactical Headphone Holder Helmet Rail Material: Nylon+alloy Style: Military Shooting Headset Holder Headphone Holder Size: 15*9*4.5cm Suitable: Military Hunting Shooting Headphone Rail Weight: 0.13kg Feature: 360 Rotation Adjustment. Material: Nylon + Alloy Size: 15 * 9 * 4.5cm Net Weight: 0.13kg Suitable: Per 19-21mm Rail Guide Helmet . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.