Update your semi truck with securely-fastened components, with the Buffers USA 3/8" Steel Brace Lug that ensures you're Ready for the Road Ahead. Thanks to its simple design, this replacement lug is able to function similar to a nut, securely binding to a screw, bolt, or other type of fastener to create a tight connection that holds parts in place. Constructed with ultra-durable steel materials to endure large amounts of torque when attached to frames, wheels, and other various components. FleetPride is your First Click in Heavy Duty.