From Denise Interchangeables, compatible with any Denise knitting or crochet set. Sharp Short Tips are 3 1/4 inches (8 cm) long for US 10.5/6.5mm-15/10mm, designed for knitting small projects in the round. Sharper than standard Denise knitting needles, these short tips are also super comfortable to knit with, so can be used for any project, small or large - excellent for lace and cable work! Each set is packaged in a simple but durable vinyl case and in addition to the needle heads includes: 4 pairs of needle heads in US10.5/6.5mm, 11/8mm, 13/9mm, and 15/10mm sizes; three cords (9", 12" and 14" cords to make 15", 18", and 20" circulars for the US 10 1/2-15 set); 2 end buttons, and 1 extender for cord-to-cord connections. Made in the USA and guaranteed with normal stitching use. Case dimensions are 5 1/2" x 4" x .5". Plastic resin needles. Cords are made with a non-phthalate plasticizer - great for teaching children to knit!