specifics td 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 Gallon Fuel Tank.DESIGN: The unique designs adds strength and provides extra tightening power.Types:10L/20L/30LColour:blackMaterial:plasticPackage Contents:1 x can mount lockOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.