The M-3210 Fuel Tank Baffle bushing welds to the hinged baffle door inside a fuel tank. Use along with three M-3211 short bushings to complete the fuel door. Requires 2 pieces per application. The bushing is made from 1" RD 6061 aluminum and measures 0.344" I.D., 0.550" O.D., and length is 2.563". There is a pdf chart that can be downloaded from our website, http://mckinneycorp.com/downloads/pdf/bushing.pdf, that will give you a list of some of the bushings that we carry. Should you not be able to find the bushing that you're looking for, call and we'll be happy to assist you in finding what you need.