Singer (Yellow Brand)ball point needles are the ideal needle to use on knit fabrics. The universal point penetrates the fibers of warp or weft. Ball point slides between fibres to eliminate runs or tears in the fabric. The larger the size, the heavier the needle. Fits most standard home sewing machines. Fiver per package: two size 11/80, two sizes 14/90, and one size 16/100.