The RAM-101U-247-25 consists of a double socket arm, round 2.5" diameter round base with the universal AMPS hole pattern and 2.5" clamp base. The clamp base will wrap around a maximum width of 2.5"...
The RAM-101U-247-3 consists of a double socket arm, round 2.5" diameter round base with the universal AMPS hole pattern and 3" clamp base. The clamp base will wrap around a maximum width of 3" and ...