The form-fitting, high-strength composite RAM EZ-Roll’r cradle for the SPOT Gen4 allows for the attachment of RAM components containing the universal AMPS hole pattern making it the ideal GPS mount for SPOT Gen4. With the device in the cradle, all buttons and the power port remain fully accessible. The RAM EZ-Roll’r cradle for the SPOT Gen4 is compatible and interchangeable with a wide range of RAM diamond ball bases. Included is a set of two nuts and bolts. Consists of a medium length B size 1″ double socket arm, one 2.5″ diameter round ball base, and one diamond ball base (both bases feature the universal AMPS hole pattern). The ball and socket system provides shock and vibration damping, and allows for near-infinite adjustability to achieve an ideal viewing and operating angle of your device.