Patent Pending

RAM® Tough-Claw™ Small Clamp Ball Base

Part#: RAP-400U
UPC: 793442943492

Kit Components

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$46.99

Overview

The RAM® Tough-Claw™ Small Clamp Ball Base (RAP-400U) is a highly versatile mounting solution featuring quick, tool-less installation. It securely attaches to a wide range of rail shapes (round, square, or irregular) that measure 0.625" to 1.5" in outer diameter. This base makes it easy to mount tablets, action cameras, smartphones, rod holders, and more across countless applications—perfect for anything you want to quickly attach or remove as you move between vehicles. Its portable design lets you effortlessly transfer it from an aircraft yoke to motorcycle handlebars or seat posts, kayak rails, roll bars, and beyond.

Features

  • Small version of the RAM® Tough-Claw™ base is designed to quickly clamp to round, square, and odd-shaped rails and bars ranging from .625" to 1.14" in outer diameter; rubber pads provide stable gripping and protection of mounting surface
  • Included C size 1.5" RAM® rubber balls allows for connection to any C size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
  • Made of stainless steel hardware and high-strength composite for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

product dimensions:

Overall Height: 4.81"
Overall Width: 1.18"

clamp range:

.625" - 1.14" diameter

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

High strength composite

packaging type:

Poly Bag

Weight:

0.39 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

QUESTIONS & ANSWERS

Have a Question?

Ask a Question
  • Is this a good choice for oddly shaped or oblong rails and handles?

    Yes, this mount is excellent for oddly shaped attachment points.

  • Is there a lock available for this tough claw?

    Unfortunately, there is no lock available for this tough claw.

RAM® Tough-Claw™ Small Clamp Ball Base
$46.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size — this product 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

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
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C — this product1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge 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.

Add-on & Accessories

C Size Double Socket Arms
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