It is a mold manufacturer. It is used to remove machining fluid after wire processing. It is very good to be able to adjust the flow rate towards small parts.
I have already used the same manufacturer's long nozzles, but I thought that it was more efficient to buy this product with different lengths and use it differently for each part (with different depth depths). Actually using it, it is exactly as I expected, the work efficiency has improved.
I do not have any particular point of discontent, I think that there is no worry about breakage etc. if used appropriately at the time of maintenance of the purpose of use.
Long nozzles have various lengths, but our company seems easy to use 200 mm. It is often appreciated if durability is good as it often hurts at the time of cleaning and hurts the root.