These 1 kg, 12 mm bore CWs are reasonably priced and look good chrome:
https://www.cyclopsoptics.com/bundle...ar-adventurer/ You'd have to order a few other things for free shipping.
But as I've posted previously, these are the ultimate in portable (potable!) CWs for a 12 mm shaft:
https://www.darkframeoptics.com/Clov..._14477215.aspx