AlienA(R) Rail Cover - Ridged cross-cut texture VZ Inter-Lok Rail Covers are interlocking grip panels for your favorite rail platform. They are precision machined from our proprietary textures and G-10 colors. The 6-Hole and 3-Hole panels interlock to create a seamless grip. This allows you to build a textured heat guard since G10 has excellent thermal insulation properties. Weight: 8g / 0.3oz Thickness: 5.6mm / 0.22 in Width: 15.35mm / 0.6 in Length 62mm / 2.438 in Uses 3 KeyMod holes