local refinedConcreteItem = data.raw["item"]["refined-concrete"]
refinedConcreteItem.stack_size = settings.startup["bcs-refined-concrete-stack-size"].value

local refinedHazardConcreteItem = data.raw["item"]["refined-hazard-concrete"]
refinedHazardConcreteItem.stack_size = settings.startup["bcs-refined-hazard-concrete-stack-size"].value

data:extend({refinedConcreteItem})
data:extend({refinedHazardConcreteItem})