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RAM-101U-RM1U Includes the Following:

• Warranty: Manufacturer's, RAM Mounts (National Products Inc.), Limited Life Time Warranty.
• Color/Material: Black power coated marine grade aluminum. 
• Socket Ball Size: C-Ball Size = 1.5 inch Ball. Maximum suggested weight 10 lbs.
• Overall Length: 7.35 inches at maximum extension and the mount is collapsible.
• Base Plate: RAM-202U 2.5 inch diameter base with pre-drilled holes and 1.5 inch diameter rubber ball. The pre-drilled holes accommodate the AMPS hole pattern. Mounting hardware NOT INCLUDED.
• Arm: RAM-201U standard length arm for 1.5 inch balls. The arm measures 4.55 inches between socket centers (5.625 inches in overall length). A plastic twist knob allows you to articulate the arm in any direction. A standard arm RAM-201U, 2.25 inches from socket center to socket center (3.5 inches in overall length), is available. Please see the  RAM-101U-B-RM1 for the complete assembly. 
• Mounting Plate: RAM-240U-RM1 3.68 inch diameter mounting base with pre-drilled holes specifically for the electronic devices specified above. Includes mounting hardware for the electronic device.

RAM-202U Description: Black powder coated marine grade aluminum flat surface base with pre-drilled holes including AMPS hole pattern.

RAM-201U Description: Black powder coated marine grade aluminum arm allows a 1 inch diameter ball accessory to be connected at either end. A tightening knob on the side of the arm enables the sockets to clamp firmly to the attached accessories. The arm allows for easy adjustment by loosening the side knob, a single spring inside the arm opens the sockets, allowing the arm to pivot on the attached accessory. This enables the arm and accessories to be positioned at various angles allowing the ultimate in position flexibility. Loosen the knob completely and the arm will disconnect from the accessories. 

RAM-201U Options (NOT INCLUDED): The RAM-KNOB5LU shown below is a keyed lock and replaces the twist knob found on the RAM-201 series arm.