UTG Low Profile Max Security Rubber Rail Guard, 12 Pieces, Black - Great Combat Quality and High Tech Design - For Use with Picatinny Rails to Provide Maximum Protection of the Rails and Safeguard Hands - Streamlined Surface Contour with Anti-slip Texture and Tactical Reinforcement Ribs to Provide Optimal Ergonomic Grip - Optimal Bi-directional Use with Posi-lock Stop Bar Underneath to Fit Securely into any Picatinny/Weaver Rail Slot for Maximum Recoil Management - Intensively Tested Under Extreme Heat and Sub-Zero Temperature with Great Performance - Ultimate Tactical Solution to Enhance Weapon Handling and Shooting Performance Under Toughest Environment - Comes With 12 to a Pack