This thing has a carbide v section like the rada, a ceramic v section like the rada as well as square and round ceramic and preset ceramic angles for scissors.
It's simply perfect......and it's 2 oz......and 10 bux.
https://jet.com/product/detail/15dcf770edfb42418eb3cef007fdf377?jcmp=pla:ggl:wm_dur_gen_home_decor_a3:home_decor_kitchen_utensils_gadgets_knife_sharpeners_a3:na:PLA_877023326_42919285126_pla-335192198783:na:na:na:2&code=PLA15&pid=kenshoo_int&c=877023326&is_retargeting=true&clickid=ca1853f4-474c-4bcc-bfa7-99a71f874987