Check the listing for details. RAP-SB-187U RAM EZ-Strap Rail Mount with Double Ball and .... Color: Black, Condition: New. Listed at 27.94 USD. RAM EZ-Strap Rail Mount with Double Ball and ... RAP-SB-187U Genuine RAM Products! If you are looking for a mounting solution that is fast, simple, and won't mark up your handle bar, this is it. Don't waste your time looking for something better because this is the best. The RAM EZ-Strap installs in seconds and grips tubing, square rails and irregular shapes like a Python. This gem of a mount is ideally suited for smaller electronic devices like iPods, iPhones, GPS, and other similar devices. Attach devices to your motorcycle, bicycle, atv, golf cart and more. The RAM EZ-Strap is extremely strong and low cost. You'll probably buy one for a friend and several for yourself. This addition to the RAM line of mounting products is sure to be a fan favorite. The RAM EZ-Strap, with double ball SHORT arm, can be cut to fit tubing, square rails and irregular shapes from 0.5 INCHES to 2.58 INCHES in diameter. The EZ-Strap mount will attach directly to RAM Mount cradles that have a hole pattern that will match the diamond adaptor. This mount rotates 180 degrees.hardware included Assembly Hardwareclamp range .5 INCHES - 2.58 INCHES diameterhole pattern 2-Hole AMPS: 1.912 INCHES ball size RAM Snap-Link (3/4 INCHES )weight capacity .5 lbmaterials High strength compositepackaging type Poly BagWeight 0.2 lb hardware included Assembly Hardware clamp range .5 INCHES - 2.58 INCHES diameter hole pattern 2-Hole AMPS: 1.912 INCHES ball size RAM Snap-Link (3/4 INCHES ) weight capacity .5 lb materials High strength composite packaging type Poly Bag Weight 0.2 lb