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Hobby Klingen Spare Blades 6pk

Physically, only harder material can scratch softer and therefore the steel blades can not harm the aquarium glass. Of course, you also have to make sure that the magnet does not get any pebbles between the magnet and the disc, because they leave scratch marks. The blades themselves are mounted in such a way that the silicone joints of the aquarium are not damaged. The blades are made of V4A stainless steel as used in shipbuilding and therefore also used in seawater.

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