AtoZ Fabrication Pair of Flat Face Clevis Mounts (With D-Rings) Sold as a PAIR, with 2x D-Rings AtoZ Fabrication's D-ring shackle mounts are a great way to create a strong attachment point anywhere you need on your wheeling rig, on the trailer, or around the shop or farm Machined from solid 1" cold-rolled steel with a low profile design and smooth radius. Designed for flat surface mounting locations, but can also easily be used on tube by beveling the center to fit the radius of the tube. These mounts are weld-on only and are 1" thick, 3" in height, and 3.5" wide at the base with a 1" OD hole.