RAM® EZ-Strap™ Rail Mount for Garmin Rino 520, 520HCx, 530 & 530HCx RT10 The RAP-B-107-1B-354-TRA1U consists of a

The RAP-B-107-1B-354-TRA1U consists of a Track Ball™ base

5" diameter C-size ball with a 1" NPT hole

5" 4 hole pattern

the RAM-B-149Z-UN7U consists of a zinc-coated U-bolt base

The RAM-D-230U is a 2

RAM® EZ-Strap™ Rail Mount for Garmin Rino 520, 520HCx, 530 & 530HCx RT10 The RAP-B-107-1B-354-TRA1U consists of aThe RAP SB 187 GA20 consists of the RAM EZ Strap base, double ball SHORT arm, diamond adapter base and high strength composite cradle. The strap can be cut to fit tubing, square rails and irregular shapes from 0. 5" to 2. 58" in diameter. Multiple adjustment points allow you to move the mount to your optimum viewing position. This mount rotates 180 degrees.