Denise Needles Denise Interchangeable Knit and Crochet Companion Set, Multi Colors These are perfect for use as flexible straight needles or circular needles in a vast variety of lengths This package contains six cords (5in 9in 12in 14in 16in and 19in) 4 end buttons and 2 extenders These are intended to be used with Denise Interchangeable Knitting Needles and Crochet Hooks only