Yeah, thats perfectly fine TOY_TOY is actually the candelabra. It was the first item I made, and I replaced the name, not the ID. They all work fine. Your report is wrong. ^^ It makes them 100% of the time, as seen in the raws you just posted.
I am using Masterwork Tileset with Ironhand if that makes a difference.
After reading your response I tried again and the very first attempt made a brazier when I selected make candelabra.
In Reaction_masterwork the code is
[REACTION:CRAFT_STONE_TOOL_CANDELABRA]
[NAME:Make rock candelabra from 2 blocks]
[BUILDING:GRINDER:CUSTOM_I]
[BUILDING:STONECUTTER_WARLOCK:CUSTOM_I]
[REAGENT:A:2:BLOCKS:NONE:NONE:NONE][REACTION_CLASS:IS_STONE][WORTHLESS_STONE_ONLY]
[PRODUCT:100:1:TOY:TOY_TOY:GET_MATERIAL_FROM_REAGENT:A:NONE]
[SKILL:STONECRAFT]
In item_toy_masterwork candelabras are
[ITEM_TOY:ITEM_TOY_TOY]
[NAME:candelabra:candelabras]
[HARD_MAT]
I changed the code in reaction_masterwork to
[REACTION:CRAFT_STONE_TOOL_CANDELABRA]
[NAME:Make rock candelabra from 2 blocks]
[BUILDING:GRINDER:CUSTOM_I]
[BUILDING:STONECUTTER_WARLOCK:CUSTOM_I]
[REAGENT:A:2:BLOCKS:NONE:NONE:NONE][REACTION_CLASS:IS_STONE][WORTHLESS_STONE_ONLY]
[PRODUCT:100:1:TOY:ITEM_TOY_TOY:GET_MATERIAL_FROM_REAGENT:A:NONE]
[SKILL:STONECRAFT]
Just tested it about thirty times. Every time it returns a candelabra now.
I assume this error might be the same in gem and bone because of the missing ITEM tag. But I haven't progressed far enough in this fort to test those.