Denise Interchangeable Knitting Needle. If you find yourself never having the perfect size and length of knitting needles for new projects Denise Interchangeable knitting needles are perfect for you. Each package contains two needles two cords (one each of 20in & 24in) and two end buttons. Available in sizes US5/3.75mm to US19/15mm-each sold separately. Denise Interchangeable Knitting Needles feature a Lifetime Manufacturer s Guarantee. 100% made in the USA.