Review on Stainless Finish Vented Socket Threads by Will Anderson

My wife's embroidery machine uses this set screw to attach needles. Trying to find small metric adjustment screws in a big store is nearly impossible. Got a bag of 10 for less than it would cost to get a replacement at a sewing machine shop - if only they had one! (Could not contact several stores in the area. Revain.com to the rescue! I received my bag of 10 screws in about 3 days!