Check the listing for details. RAM-B-149-QU1 RAM Handlebar U-Bolt Mount with Double Socket.... Color: Black, Condition: New. Listed at 43.44 USD. RAM Handlebar U-Bolt Mount with Double Socket... RAM-B-149-QU1 Genuine RAM Products! The RAM-B-149-QU1 consists of a stainless steel u-bolt base and double socket arm. The mount is designed with a RAM 1 INCHES diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm. The zinc coated u-bolt base Accommodates rails from 0.5 INCHES to 1 INCHES in diameter and includes black cover caps to be placed over the exposed ends of the u-bolt. This is a universal mounting solution for the RAM cradles with a 1 inch ball.hardware included (1) 1/4 INCHES -20 U-Bolt for .5 INCHES - 1 INCHES Rails(2) 1/4 INCHES -20 Nylock Nuts(2) Rubber Caps(1) U-Bolt Spacerclamp range .5 INCHES - 1 INCHES diametersocket to socket length 3 INCHES ball size B Size (1 INCHES )weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lbmaterials Marine-grade aluminumpackaging type Retail BagWeight 1.0 lb hardware included (1) 1/4 INCHES -20 U-Bolt for .5 INCHES - 1 INCHES Rails(2) 1/4 INCHES -20 Nylock Nuts(2) Rubber Caps(1) U-Bolt Spacer clamp range .5 INCHES - 1 INCHES diameter socket to socket length 3 INCHES ball size B Size (1 INCHES ) weight capacity Standard Use: 2 lbsHeavy-Duty Use: 1 lb materials Marine-grade aluminum packaging type Retail Bag Weight 1.0 lb