RAM® ATV/UTV Double Ball Rail Mount with 1/4"-20 Threaded Stud - RAM-B-149Z-2-237

U-Bolt Dimensions:Accommodates rails from 0.5" to 1.25" in diameter Material:Powder Coated Marine Grade Aluminum Ball Size:B Size 1" Rubber Ball Note:Part number reflects product packaged in clear clam shell for store shelf display. Weight:0.61 lbs. Videos RAM RAIL MOUNT WITH 1/4"-20 MALE RAM® Mounts Interchangeable Components Compatible With Additional Mounting Base Options RAM Motorcycle Base With 9mm Hole And 1" Ball - RAM-B-272U RAM Motorcycle Fork Stem Base with 1" Ball - RAM-B-342U RAM Diamond Plate 2.43" x 1.31" with B Size 1" Ball - RAM-B-238U RAM 2.25" x 0.87" Motorcycle Base with 11mm Hole and 1" Ball - RAM-B-252U RAM Motorcycle Brake/Clutch Reservoir Cover Base with 1" Ball Offset -  RAM-B-346U RAM 2.5" Round Base with the AMPs Hole Pattern, 1" Ball & Triple Magnetic Base Adapter - RAM-B-202-339U RAM Rail Base with Stainless Steel U-Bolt & 1" Ball for Rails from 0.5" to 1" in Diameter - RAM-B-231U RAM Flex Adhesive Base with 1" Ball - RAP-B-378U RAM Universal Small Tough-Clamp™ with 1" Diameter Rubber Ball - RAP-B-397-1U RAM Small Tough-Claw™ with B Size 1" Diameter Rubber Ball - RAP-B-400U Components RAM Rail Base with Zinc Coated U-Bolt, ATV/UTV Strap & 1" Ball for Rails to 3.15" in Diameter - RAM-B-231Z-2U RAM Double Socket Arm for B Size 1" Balls - RAM-B-201U RAM 1" Ball With 1/4-20 Male Threaded Post For Cameras - RAM-B-237U Compatible Devices Cameras that contain 1/4"-20 Female Threaded Hole