https://www.renaissance-cycle.com/product/14373097/campagnolo-1-r-vintage-80-s-stem-h-bar-clamping-hardware-nos-what-you-see-is-what-you-will-get-100-origial-tl02-b02-c02-02-04-25-24
CAMPAGNOLO 1-R Vintage 80's Stem H-Bar Clamping hardware NOS! What you see is what you will get...
h barclamping hardwarecampagnolovintagestem
https://www.gescan.com/products/25-tools-instruments/25-workholding/03-clamping-hardware
Clamping Hardware
clamping hardware