Feature:1. Firm Part Fixing: This rail for Picatinny can be used for placing lamps, lasers, optical devices and more with extra stability.2. Include 5 Pieces: There are 5pcs rail for Picatinny, which have 5 slots, 7 slots, 9 slots, 11 slots and 13 slots separately.3. Fine Workmanship: Having been through excellent workmanship, the rail replacement part has high accuracy, not easy to crack.4. Using Good Nylon: Adopting premium nylon material, the rail section has good hardness and sturdy structure, very durable for use.5. Quick to Install: Comes with a compact size and a light weight as well, the rail for Picatinny is easy to install in minutes.Specification:Item Type: Picatinny RailProduct Material: NylonProduct Weight: Approx. 100 g / 3.53 ozSize: 65cm / 25.59in, 85cm / 33.46in, 105cm / 41.34in, 125cm / 49.21in, 145cm / 57.09inUse: Suitable for placing lamps, lasers, optical devices, etc. .Package List:5 xPicatinny Rail10 x Screw Set1 x Wrench