Fangrui Product Details 1. The Height Of The Seam Can Be Adjusted: The Adjustable Range Is 30-49mm 2. Nylon Shell Material, Zinc Alloy Lock Body, Strong And . 3. Anti-theft And Tamper-proof Design: Use Ordinary Tools Such As Needle-nose Pliers, Screwdrivers, Ordinary Tool-type Keys And Other Common Tools To Rotate The Lock Cylinder, The Lock Cylinder Can Only Rotate 360 Degrees And Cannot Drive The Lock Bolt; You Need To Insert A Special Tool-type Key, And Rotate Inwards To Drive The Deadbolt 4. This Type Is A Safety Tool Lock With High Anti-theft Performance, Large Rotating Torque, Firm And , And Can Be Opened With A Key. 5. Secure Your Rvs Or Yacht With This Set Of Door Locks And Keys, A Must Have For Every Trip.whether Youre Parked At A Campsite Or Docked At A Port, These Locks Provide Added Peace Of Mind And Protect Against Theft.with Their Fashion Design And Convenient Access, These Locks Not Only Offer Security But Also Add A Touchness Of Style To Your Vehicles Doors.these Locks Are Simple To Install And Use. Product Nam