If you are using ox_inventoryadd this to ox_inventory > modules > items > client.lua :
Item('craftingtable', function(data, slot)
local model = "gr_prop_gr_bench_04b"
local id = "CraftingTable"..math.random(111111,999999)
TriggerEvent("zat-crafting:client:PlaceTable", id, model)
end)