Monstrum 5 in Rail Panels - 3 PC M-LOK Black 3 in. Installs on M-LOK mounting platforms and includes all necessary M-LOK mounting hardware. Rail panels crafted from heat-resistant polymer materials with a textured surface for improved feel. Each package contains three rail panels. All Monstrum accessory products comes with a lifetime guarantee. Specifications for Monstrum M-LOK Rail Panels: Manufacturer: Monstrum Fabric/Material: Industrial Grade Polymer Weight: 0.7 oz Condition: New Quantity: 3 Package Contents: Monstrum M-LOK Rail Panels Monstrum RCM10-B: 5 in Rail Panels - 3 PC M-LOK Black 3 in