The Swivel Mount Lock comes in four sizes and fits RAM® brand mounts. This lock replaces the factory knob of the swivel mount and once locked, prevents removal of the mount and the sonar/locator unit. With an E-LOCK® and a Swivel Mount Lock, ultimate protection against marine electronic theft is achieved.Measure the diameter of the ball on your RAM® Mount to determine which of the four sizes you need; Small, Medium, Large or Side Mount. See the image below for reference. Be sure to include your key number at checkout if you already own DuraSafe locks. Simple, compact and easy to install, ultimate protection against marine electronic theft is achieved. Eliminates the hassle of uninstalling and reinstalling equipment Peace of mind knowing your electronics and mount are secure Made of marine grade materials Once locked, the knob spins freely preventing a thief from opening the mount and taking the electronics unit and mount Compact and easy to install Reversible key for easy insertion Stainless steel shutter seals out dirt, dust and moisture Save time and wear and tear on equipment Can be keyed to all other DuraSafe products Additional InformationPackage Weight: 4 ozPackage Dimensions: 8” x 5.5” x 2”SM005 Lock Thread 1/4-20” FemaleSM006 Lock Thread 5/16-18” FemaleSM007 Lock Thread 1/2-20” FemaleSM008 Lock A, Male Thread 5/16-18X1.25”; Lock B, Female Thread 3/8”-16Lock Width 2.5”Lock Depth 1.5”Lock Depth W/ Key 2.75” SM008 Fits Select RAM® Swing Arm Mounts: RAM-109H, RAM-109HU, RAM-109V, and RAM-109VU
