Denise Interchangeable Knitting Needles Set. If you find yourself never having the perfect size and length of knitting needles for new projects this kit is perfect for you. With needle sizes from US5/3.75mm to US15/10mm cords ranging in length from 5 Inch to 19 Inch two cord connectors and four end buttons you are sure to have the perfect circular or flexible straight needle for any and all projects. This set comes perfectly organized in a plastic folder (8-3/8x7x1-1/4 Inch). Denise Interchangeable Knitting Needles feature a Lifetime Manufacturer's Guarantee. 100% made in the USA.