The Jenveys in the link are the base Dcoe style they also do the tappered SF style.
There are lots on the market with very nice anodised cnc billet alloy.

At power
https://www.atpower.com/products/for...-blacktop-45mm

https://www.atrproducts.co.uk/el-panamericano/

There are even the chinese dcoe knock offset the market now.