It is metal so it won’t break and the knob is good and won’t fall out plus the portion it doles out is just the right amount for a bump. I have an actually didn’t really care about this right however I use it quite often as it does not get caked up... Well worth the money
It broke the same day while attempting to test whether it would be sufficient or not. There's a faulty tiny plug on the side of bullet that came off out of nowhere so that pretty much summed up all I wanted to know.