EASY TO INSTALL: Use with included base plate or remove plate to attach mount direct by bolting up through the bottom or down through the top,turn the switch after use and it is locked HIGH QUALITY MATERIAL: Heavy duty engineering plastics,which is durable and sturdy SUPER WATERPROOF: The pack mount lock has weather proof,covering the face of the lock to prevent dust, dirt, debris and moisture from entering the lock. SCOPE OF APPLICATION: Suitable for 20L Gallon Fuel Tank PACKAGE INCLUDE: 2PCS fuel tank lock.If you have any questions please contact US