This listing is for ten (10)  high quality (made in Taiwan)  

Screw #22711 

sold in pack of 10 (ten) pieces.  

for Newlong , Union Special  Bag Sewing Machine 
for Newlong HR-4 DKN-xx

for Union Special 80200, 80200AA, 80200AB, 80200AC, 80200AD, 80200Z2715, 80200Z2715A