Originally Posted by
QandE2010
When I go to replace the needle (because I've used it for 12 hours or because I need a different size and type).
my 8 HOURS of sewing might be equal to someone else's 12 HOURS of sewing. it makes more sense to consider length of stiching instead of hours. i also change it when the popping and pinging start (if i am listening for it, which i am not!).