KNOTT 207309.001 Coupling Head Bolt SetM12XM12Suitable for KNOTT KK14-B and K20-B Coupling HeadsIncludes: 2x M12 Bolts 1x Special Washer 1x Flat Washer 2x M12 Lock Nuts 2x Nut CoversWhen replacing or removing a coupling head, the bolt kit should be changed at the same time due to the design of the nuts – they are a single use item for safety.
