These bushings are designed with the fabricator in mind. 2" OD x .250 wall outer sleeve x 3.00" long. The outer sleeve is constructed from DOM tubing. They utilize a rubber bushing with an inner steel sleeve and accept a 1/2" bolt. They can be used for motor mounts, transmission crossmembers, traction bars, door bar hinges, and many other things. Sold as a 2 pack. The 3" length is the total length of the part with rubber bushings installed.