RAM® Light Duty C-Clamp Base with Dual Ball - B Size - Image 1
RAM® Light Duty C-Clamp Base with Dual Ball - B Size - Image 2
RAM® Light Duty C-Clamp Base with Dual Ball - B Size - Image 3
RAM® Light Duty C-Clamp Base with Dual Ball - B Size
RAM® Light Duty C-Clamp Base with Dual Ball - B Size - Image 2
RAM® Light Duty C-Clamp Base with Dual Ball - B Size - Image 3

RAM® Light Duty C-Clamp Base with Dual Ball – B Size

RAM Mounts

$66.00

In stock

Mounting base: clamps onto a flat edge. Has a B size (1") ball; add a B size arm and holder to complete the mount.

RAM ball size guide

The letter in a RAM part number is the ball size. Every part in a mount must use the same ball size. C size parts carry no letter, so RAM-201U is a C size arm and RAM-B-201U is the B size version.

SizeBall diameterHolds up toBest for
A9/16" (14 mm)0.45 kgSmall cameras, action cams, remotes
B1" (25 mm)0.9 kgPhones, GPS units, small tablets. The most common size.
C1.5" (38 mm)1.8 kgTablets, small monitors, rugged devices
D2.25" (57 mm)2.7 kgLarge displays and laptops
E3.38" (86 mm)6.8 kgHeavy monitors and equipment

Arm length sets the reach. Short keeps the device close and rigid, Medium suits most installs, Long is for extra reach. If in doubt, choose Medium.

Need an arm and holder for this? Complete your mount ↓

Not sure this fits your setup?Tell us your device and where you are mounting it. The RAM® Mount Builder shows every mount that fits.Find my mount

Complete your mount

A RAM mount is three parts: a base that attaches to your vehicle or surface, a socket arm that connects the balls, and a holder for your device. All B size parts below fit together. Tick one of each, then add them in one go.

Base

Arm

Holder

Barcode: 793442036101 SKU RAP-B-121B2U Category
Overview

Overview

The RAM® Light Duty C-Clamp Base with Dual Ball - B Size (RAP-B-121B2U) is a compact, versatile mounting base designed to add secure device mounting to desks, tables, workbenches, and other flat surfaces. The light-duty C-clamp attaches quickly to surfaces from 0" - 1.5" thick, while the integrated dual B size balls allow for the mounting of two devices. Whether you're mounting a phone, tablet, camera, scanner, or other accessory, the dual-ball design creates a highly adjustable foundation that leverages the RAM® ball and socket system for near-infinite positioning and optimal viewing angles. Ideal for offices, retail counters, healthcare workstations, and industrial environments, this clamp base delivers dependable performance in a compact footprint.

Features

  • Light-duty C-clamp attaches securely to desks, tables, and work surfaces without the need for drilling or permanent installation
  • Dual B-size RAM® balls provide mounting points on two axes, enabling flexible positioning and expanded configuration options
  • Compatible with a wide range of RAM® B-size socket arms and device holders for phones, tablets, cameras, scanners, and more
  • Compact, space-saving design makes it ideal for workstations, retail counters, healthcare environments, and mobile carts
  • Backed by a lifetime warranty

Specs

Hardware Included

Assembly Hardware

Clamp Range

0" - 1.5"

Ball Size

B Size (1")

Weight Capacity

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

Materials

Marine-grade aluminum
High strength composite

Packaging Type

Poly Bag

Resources