For a 12.9" iPad Pro, you'll want a stand that not only securely holds the larger device but also provides stability and flexibility for your POS operations. Here are some top options tailored for the 12.9" iPad Pro:

Square Stand for iPad Pro 12.9": Square offers a stand specifically designed for the 12.9" iPad Pro. It provides a secure enclosure for the ipad wall mount with power, a built-in magnetic stripe card reader, and a convenient swivel base for customer interaction.

Heckler Design WindFall Stand for iPad Pro 12.9": Heckler Design's WindFall Stand is known for its sleek design and sturdy construction. The iPad Pro 12.9" version features precision-cut aluminum and optional pivot and swivel features for versatile use.

ArmorActive Pipeline Kiosk Stand for iPad Pro 12.9": This stand is designed for high-security environments and features a durable enclosure that locks securely around the iPad Pro 12.9". It's ideal for businesses that prioritize protection against tampering and theft.

AboveTEK Retail Kiosk ipad stands for iPad Pro 12.9": This adjustable stand is compatible with the larger iPad Pro models and offers 360-degree rotation for easy customer interaction. It's suitable for various business settings and provides a stable platform for your POS operations.

Elevate II Kiosk Stand for iPad Pro 12.9": Elevate II offers a sturdy and secure stand for the iPad Pro 12.9", featuring a lock and key mechanism for added security. It's customizable with additional accessories and is designed for durability in commercial environments.

When selecting ipad POS stand for your 12.9" iPad Pro, consider factors such as build quality, security features, compatibility with your POS software, and any additional functionality you may require for your specific business needs.