Lower Link Axle Brackets Pair 0 Deg 3.5 Axle Diameter Inch Artec IndustriesIntroducing Artec Industries Line of Fabrication Brackets. With our new line of brackets, we want to introduce a better looking product that has that custom one off look and solve some of the issues that have plagued some of the generic brackets on the market, thus making them function better. Some common features that you'll see among our new brackets are: better access to grease fittings, bottom protection of the joint on lower link brackets,