Genuine HONDA Replacement Strimmer Head. Tap & Go Head.
Part also know as 72560-VL1-631.
Comes with metal ridged guard washer. Female socket. To recieve a 10mm approx left hand thread bolt, which should be protruding from the end of your machine.
Fits:- UMK425E LE UMK425E L3E UMK425E UE UMK425E U3E UMK431E LE UMK431E L3E UMK431E UE UMK431E U3E
Customer reports it also fits UMK435E but this is not documented.