Arches National Park Benchmark Magnet Regular price $7.99 Sale price $7.99 Sale Unit price /per (15% off for members) Shipping calculated at checkout. Default Title Quantity Error Quantity must be 1 or more Add to cart Adding product to your cart Add this replica of the U.S. Geological Survey Bench Mark in Arches National Park to your magnet collection! It's made of Zinc Alloy metal with matte nickel color electric plating. 1.75 inches in diameter. Back to Gifts & Souvenirs - Magnets