Speed control pcb interlock switch assembly for kenwood bl740bl745bl750dbl740 kenwood genuine part number kw682080 the use of this spare part requires knowledge on how to repair electrical products therefore this should only be carried out by individuals with relevant experience electricshoppingcom takes no responsibility for damage caused due to incorrect fitting if you have any doubts please contact our spares service partner on 08704 03 02 48 or the manufacturers support number