RAM Suction Cup Base - Dual with Medium Length Arm and Retention Knob clearance 4-hole AMPS pattern: 30mm x

4-hole AMPS pattern: 30mm x 38mm (1

and in 1" B-size and 2

Adds an extra B-size ball base to the RAP-B-121U composite yoke clamp

Suction cup and diamond base both in high-strength composite

* Provides compatibility across multiple devices

RAM Suction Cup Base - Dual with Medium Length Arm and Retention Knob clearance 4-hole AMPS pattern: 30mm xRAM B 189B 201 ALA1 KRU RAM Twist Lock Dual Suction Cup Base with Socket Arm & Retention Knob The RAM B 189B 201 ALA1 KRU pairs a dual 3. 3" Twist Lock suction cup base with a B size double socket arm fitted with a retention knob, making an ideal window mount for tablets in aircraft and helicopters; twice as secure as a single cup base, with easy one knob adjustment. Key Features Twin RAM Twist Lock suction cups grip glass and other nonporous surfaces