To accommodate Rigid Industries' SR-M Series, SR-Q Series and D-Series LED Lights, Rigid Offers 17 different custom RAM mounting systems. You may choose from three different surface attachment methods: Suction Cup, Flat Surface Bolt-Down or a Pole Clamp. You can choose from three different arm lengths: short, medium, or long. You can also choose a single light attachment point or a plate for mounting multiple lights. RAM Mount's ball and joint design allows for a full 360? rotation. RAM Mounts are extremely durable (supports up to 5 lbs in a rugged environment), all stainless steel hardware, provide maximum adjustability and are backed by RAM Mounts' lifetime warranty.