The Metro SMA18A SmartLever Arms (Pair) are designed to provide robust and adjustable support for your workstation needs. These 18-inch arms are constructed from epoxy-coated stainless steel, ensuring durability and resistance to rust. Ideal for creating adjustable cantilever workstations, these arms feature SmartLever's patent-pending design, allowing them to hold heavy loads and accommodate different width shelves. With ArmKeepers installed, you'll experience the ultimate in adjustability and security. Orders over $7,000 may qualify for free shipping; Contact us for more details. Sold as pairs, these arms also come with shelf mounting hooks and locking wedges for easy installation.