These are competition style bumpers for the TF2 or similar vehicle. They are class 1 legal for TF2 and may fit other vehicle depending on width of windshield.
They are in tight to the body, the width of the windshield, and made of metal for max scale points.
The bumper are 6.25" from side to side and weigh only 0.6oz.
Rear mounting posts are 1 3/4" long.
Stock mounting brackets have a tapered metric hole, I used 5/16" (.312) round for the mounting posts, Need to drill the brackets to 21/64" (.328)
Delrin rod can be used to make your own extended mounts as needed.