This RAM® B-Size Diamond Ball Base is designed to provide a versatile mounting solution for a wide range of wheelchair applications. Compatible with the armrest and seat track systems found on many major wheelchair brands—including Invacare, Permobil, and Quickie—it offers a secure foundation for creating a fully customised device mounting setup.

Pair this base with compatible RAM® double socket arms and device holders to mount phones, tablets, controllers, or other accessories exactly where you need them.

Constructed from durable marine-grade aluminium, the mount is engineered for long-lasting reliability while maintaining a lightweight design.

• Compatible with most major wheelchair armrest and seat track systems
• Suitable for brands including Invacare, Permobil, and Quickie
• B-size 1" RAM® ball for flexible positioning
• Compatible with a wide range of RAM® arms and holders
• Ideal for customised accessibility and mobility solutions
• Durable marine-grade aluminium construction

Specifications

• Hole Pattern: 2-Hole AMPS (48.6 mm)
• Ball Size: B Size (1")
• Weight Capacity: Standard use: 0.9 kg / Heavy-duty use: 0.45 kg
• Weight: Approximately 0.09 kg

T-Bolt Dimensions

• Large: 12.2 × 24.1 mm
• Small: 9.5 × 15.1 mm

Materials

• Marine-grade aluminium

Included Hardware

• (2) #10-32 T-nuts
• (2) #10-32 flat weld nuts
• (2) #10-32 × 12.7 mm machine screws
• (2) M4 × 12 mm machine screws
• (2) M4 × 20 mm machine screws
• (2) M4 stainless steel washers
• (2) M4 Nylock nuts