Features: 1. Nylon Material. Durable And Wear-Resistant 2. Thickened Aluminum Alloy Inner Frame. High Strength And Not Easy To Deform. 3. Elastic Hook Rope Design Can Fix Dump Trucks. Etc. Without Shaking. 4. Moderate Curvature And High Fit 5. Suitable For Fast Mich Tactical Helmet Cuttlefish Holder Accessories Description: Name: for Opsfast Third Generation Dried Cuttlefish Applicable: For Tactical Helmet Or Other Modified Helmet Equipment Adapter Base Note: Different Batches May Have Differences In Product Appearance. Color. And Printed Characters. Which Will Not Affect The Use Material: NylonandPlasticandAluminum Alloy colour: D-Grey Package Contents: 1 x Helmet Adapter Base (With Elastic Hook Rope) 1 Set Screw Mounting Accessories 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.