Radius arm mounts for a 2.5T rockwell axle. This design wraps around the axle tube for extra strength. Separation between mounts is 7". Cut from .250" steel and CNC Press formed for extra strength. 2.63" wide bracket comes with 9/16" holes and the 3.0 bracket comes with 3/4 holes. Can also mount a 2.5" wide bushing with some shimming. Price includes TWO brackets.