Colour: Black Material: Nylon Net weight: 96.8g Dimensions: 5 slots 65mm / 7 slots 85mm / 9 slots 105mm / 11 slots 124mm / 13 slots 144mm 1¡¢1. Multi-size rail set: 5-slot 65mm/ 7-slot 85mm/9-slot 105mm/ 11-slot 124mm/ 13-slot 144mm Picatinny rail, 10 matching screws, 10 locking T-nuts and 1 Allen key, very Perfect for custom shooting 2¡¢2. High-quality nylon material: Made of nylon and anodized by black matte coating, the rail bracket is lightweight and durable. 3¡¢3. Simple installation: use the hex wrench tool to install the screws, easy to install or remove. Perfect MLok system, once tightened, they don't come loose. 4¡¢4. Compatible and perfect for connecting different shooting accessories such as torches, sights, bipods, or other accessories. 5¡¢5. Packing list: nylon M-Lok rail strip*5, screw*10, wrench*1.5*Nylon M-Lok Rail10*Screw1*WrenchDue to the lighting effects and shooting angles, there is a color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.