Chrome deluxe tractor/trailer brake screw-on air brake knob
Measures 2" tall (including approximately 1" from beginning of shaft curve to bottom) by 2-1/8" diameter. Shaft inner diameter approximately 11/16".
Sticker or plate not included. Install knobs before placing sticker or plate! Test knobs to ensure they can be released properly and make all adjustments before placing sticker or plate.