24 No-Drill(TM) Vehicle Mount with B Size 1 Ball on Round Plate with AMPs Hole The RAM-B-316-1-24-202U is a universal base from RAM that allows you to mount a light to medium weight item such as tablets, in a car safely and securely. No drilling required!Installation Instructions:At right angles to the base of the 24 long leg is a foot with a mounting hole. Simply place the hole into the passenger seat mounting bolt and adjust the mount to the required height with the rigid aluminum rod.Material:High Strength Composite and Powder Coated Marine Grade AluminumBall Size:1 Rubber B Ball SizeNote:The U in the part number reflects product packaged in poly bag.Weight:1.7 lbs.