KNOTT safety indicator, for KS25/30/35
The KNOTT safety indicator is a spare part for the KNOTT KS25, KS30 and KS35 coupling heads. It shows the wear condition and the correct locking of the coupling on the ball.
Replace a damaged or illegible indicator, as otherwise neither locking nor wear can be assessed reliably. After fitting, check the indicator with the trailer coupled: it must clearly show that the coupling is closed.
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