Rigid Industries 40070 Pole Clamp RAM Light Mount with 3.7" Arm RAM 2"-3" Pole Mount 3.7" Arm 1 x 1 plate; RAM Mounts are a perfect fit for many vehicles: Bikes, UTVs, ATVs, Snow mobiles, Sleds, Public safety RAM Mounts pair well with Rigid's 15' wiring harness with 12V adapter plug All 1" ball connections can be interchanged between arms for total customization Lifetime Warranty Designed, Engineered, & Assembled in the USA