RAM® Double Ball Mount with Two Large Round Plates - D Size Short eTrex 10 The RAM-B-140-375U consists of a

The RAM-B-140-375U consists of a medium length B-size arm with a rectangular plate with universal AMPS hole pattern and a track ball with flat pannel adapter

The male 1/4"-20 threaded steel stud will connect to any standard female thread found on camcorders

The RAM-B-180-C-202U consists of a 1" diameter ball base with 9mm hole

round base adapter and Tab-Tite™ universal clamping cradle

The RAM-B-149Z-GA7U consists of a double socket arm

RAM® Double Ball Mount with Two Large Round Plates - D Size Short eTrex 10 The RAM-B-140-375U consists of aThe RAM D 101U consists of (2 qty) 3. 68" diameter round bases and SHORT length double socket arm. The 3. 68" diameter round bases have pre drilled holes, including two holes at 180 degrees and three holes at 120 degrees. Designed into the mount is a 2. 25" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm.