all these little washers do not last,yes they are cheap but rubbish.my mate is an engineer for karcher and he says the cheap ones have a lifespan of about 40hrs.when someone used to upgrade he used to take the old one as part ex.mine is a small karcher what sits on the floor but is an industrial one.i payed £60 for it and have owned it for 14yrs.it used to get used at least 5-6 times a week cleaning my car and mx bikes.it still gets used twice a week now and in all that time its cost me £10 for a new nozzle and seals on the lance so for me i wouldnt buy anything else.my mate had about 6 cheap ones from aldi b+q an the like,they did not last.