Pro.Fit CV-72-08-G3 Custom Vehicle Mount for Garmin Nuvi - Chevrolet Silverado LT and GMC Sierra SLE 2007-2012 Keep your mobile electronics secure and at your fingertips G3 Mounts utilize a 17mm ball and socket design that snaps directly into Garmin Nuvi GPS systems and directly into the back of many Smartphone holders Many states now enforce Hands-Free laws for electronics Most Professional Mobile Electronic Mount System available - nearly invisible when installed Easy to follow installation instructions and photos available Keep your mobile electronics secure and at your fingertips Quick release design allows for easy transfer from dashboard to pocket or glove box Many states now enforce Hands-Free laws for electronics Professional looknearly invisible when installed Easy to follow installation instructions and photos included