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RAM® Spline Post Ball Adapter - B Size
Part #: RAP-B-354-419U UPC: 793442954450

Product Information
Overview	Convert any RAM post/spline base into a ball base on your boat or kayak with this 1" ball with spline post. With this adapter you can use your existing rod holder base to support a wide variety of ball and socket components to hold your phone, camera or other handheld device. With the post and spline function you can easily remove or transfer your double ball mount when not in use.

Specifications
hardware included	Assembly Hardware
ball size	B Size (1")
weight capacity	Standard Use: 2 lbs Heavy-Duty Use: 1 lb
materials	High strength composite
packaging type	Poly Bag
Weight	0.13 lb

RAM® Spline Post Ball Adapter - B Size

Name: RAM® Spline Post Ball Adapter - B Size
Brand: RAM Mounts
SKU: RAP-B-354-419U
Price: 18.99 USD
Availability: InStock

Part#: RAP-B-354-419U

UPC: 793442954450

$18.99

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size	Ball Diameter	Max Load*	Best For
A	0.56" (14.3 mm)	0.5 lb	Action cameras and other ultra-light devices
B — this product	1" (25.4 mm)	2 lbs	Phones, GPS units, and small tablets — the most common size
C	1.5" (38.1 mm)	4 lbs	Large tablets, fish finders, and rougher rides
D	2.25" (57.2 mm)	6 lbs	Rugged tablets, laptops, and heavy equipment
E	3.38" (85.9 mm)	15 lbs	Large displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Overview

Convert any RAM post/spline base into a ball base on your boat or kayak with this 1" ball with spline post. With this adapter you can use your existing rod holder base to support a wide variety of ball and socket components to hold your phone, camera or other handheld device. With the post and spline function you can easily remove or transfer your double ball mount when not in use.