The product photo shows both the attachments and tube with cleaning tools which seemed like a nice bonus. But all I got were jets. Upon closer inspection, the product description does not state that cleaning products are included, so these should not be reflected in the product photo - this is a misleading advertisement in my book. :-( I examined the nozzle hole under a microscope and as you can see in the photo there is a small "flare" at the edge of the hole, probably caused by machining the flat nozzle tip after drilling. Me have measured the actual size of the hole with micro drills and precision. A 0.46mm drill went through the hole easily, but a 0.51mm drill tells me the actual hole is probably 0.48mm or so - slightly more than the 0.40mm in the spec All in all these are good tips for the price.
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