Steel with zinc plating Adjusting barrel 6mm x 18mm. Similar to #12553, but steel, not alum.
Can be used with some Brake and Honda throttle cables.
If you using this for a Honda GX22, GX25, GX31 or GX35 throttle cable you will need a 3/16" flat washer and a 10mm x 1.0 stanard nut.