RAM EZ-Strap Rail Mount for Garmin eTrex 10, 20 & 30 The RAP-SB-187-GA48 consists of the RAM EZ-Strap™ base, double ball SHORT arm, diamond adapter base and high strength composite cradle. The RAP-SB-187-GA48 consists of the RAM EZ-Strap™ base, double ball SHORT arm, diamond adapter base and high strength composite cradle.
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