RAM Rectangular Base - B Series - 51 x 43mm - 4 hole AMPS hole pattern

RAM Rectangular Base - B Series - 51 x 43mm - 4 hole AMPS hole patternRAM B 347U RAM Ball Base with Rectangular AMPS Plate (B Size) The RAM B 347U is a 51 x 43mm (2" x 1. 7") rectangular ball base carrying the industry standard AMPS hole pattern, with a 1" B size ball that connects to any RAM B size double socket arm. It is a popular adaptor for AMPS mount GPS units such as the Garmin zumo and TomTom Rider. Key Features 51 x 43mm (2" x 1. 7") rectangular base with the four hole AMPS pattern, pre drilled at each corner

RAM-B-347U – RAM® Ball Base with Rectangular AMPS Plate (B Size)

The RAM-B-347U is a 51 x 43mm (2" x 1.7") rectangular ball base carrying the industry-standard AMPS hole pattern, with a 1" B-size ball that connects to any RAM B-size double socket arm. It is a popular adaptor for AMPS-mount GPS units such as the Garmin zumo and TomTom Rider.

Key Features

• 51 x 43mm (2" x 1.7") rectangular base with the four-hole AMPS pattern, pre-drilled at each corner
• 1" B-size rubber ball connects to any B-size RAM® double socket arm
• Ball-and-socket design allows near-infinite adjustment
• Powder-coated marine-grade aluminium for corrosion resistance and long life
• Backed by a lifetime warranty

Dimensions & Specifications

• Base dimensions: 51 x 43mm (2" x 1.7")
• Hole pattern: 4-hole AMPS 1.181" x 1.496" (30mm x 38mm)
• Ball size: B size, 1" rubber ball
• Load capacity: 907g (2 lb) standard use; 454g (1 lb) heavy-duty use
• Weight: 54g (0.12 lb)
• Material: powder-coated marine-grade aluminium

Compatible Devices

Suits GPS cradles using the four-hole AMPS pattern, including:

Garmin

• GPSMAP 276Cx
• zumo 390LM
• zumo 396 LMT-S
• zumo 400
• zumo 450
• zumo 500
• zumo 550
• zumo 595LM
• zumo 660
• zumo 665

Magellan

• TRX7
• TRX7 CS

Road Tech

• Zumo 590
• Zumo 660
• Zumo 665

TomTom

• Rider 2
• Urban Rider

Trail Tech

• Voyager Pro

Videos

• RAM AMPS base overview