RAM Mounts Square Post Clamp Base for Posts up to 2 inch Wide Ball diameter 5.71 cm

The RAM-D-247U-2 is a square post clamp base designed to attach securely to posts up to 2" (50.8 mm) wide. It combines an aluminum clamp body with rubber inserts and includes a 2.25" (5.71 cm) diameter ball compatible with standard RAM ball-and-socket components, providing a stable mounting point for devices and accessories.

Advantages

Constructed from aluminum with rubber backing for grip and corrosion resistance, the clamp base offers a reliable mounting solution for outdoor and indoor use. The included 2.25" (5.71 cm) ball is compatible with RAM’s ecosystem of mounts, allowing easy integration and secure attachment of phone holders, tablet mounts, cameras, and other accessories. The product’s design supports a tight clamp on square posts up to 2" wide, minimizing movement once installed.

Suitable for

• Mounting phones, tablets, or small devices on square posts up to 2" wide
• Attaching accessories on boats, utility vehicles, or workstations with compatible square posts
• Use where a robust ball-and-socket mounting interface is required

Key specifications

• Brand: ram mounts
• Model / MPN: RAM-D-247U-2
• EAN: 7934422247374
• Clamp fits posts up to: 2" (50.8 mm) wide
• Ball diameter: 2.25" (5.71 cm)
• Materials: aluminum clamp body with rubber or polymer inserts

How to use

Position the clamp base around a square post up to 2" wide, ensure rubber inserts sit flush against the post, then tighten the clamp hardware evenly until the base is secure. Attach a compatible RAM socket arm or device holder to the 2.25" ball and adjust the ball-and-socket joint to the desired angle before tightening the socket knob to lock the position.

Recommendations

For best performance, inspect the clamp and rubber inserts periodically for wear and ensure all fasteners are properly tightened. Use only compatible RAM arms and sockets sized for a 2.25" (5.71 cm) ball to maintain a secure connection.