Serger/Overlocker sewing machine needles.  Suitable for many coverstitch sewing machines.  Be sure to check compatibility with your sewing machine before using. 
SUK are ballpoint needles ideal for sewing with knit fabrics.
These are professional grade chrome sewing machine needles.  The chrome finish reduces heat and wear which creates a more durable and longer lasting needle! 
Available in 80/12 and 90/14 sizes.