Features: 1. Universal Adapter To Install Helmets With Various Head-Mounted Accessories 2. Slide The Accessory Into The Guide Rail 3. Able To Quickly Connect Or Disconnect From The Railway System 4. Durable, Lightweight Construction 5. High-Quality Material, 100% New, High Quality! 1. Name: Guide Rail Slider 2. Function: Tactical Helmet Rail Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Material: nylon colour: A-Black / B-ArmyGreen / C-mud color / D-Sand color Package Contents: 1 Pair Helmet Flashlight Clips Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.