End buttons or extenders - Denise Interchangeable Knitting and Crochet

Use end buttons for turning any cord into a stitch holder, or to use as a stopper on the end of a straight needle or individual crochet hook. Use extenders for joining two cords together.

Denise Interchangeable Crochet Hook Kit-Blue W/Bright

Denise Interchangeable Knitting and Crochet Companion Sets

Denise Interchangeable Hooks w/ End Button and Extender

Denise Knit & Crochet Sets

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Denise Interchangeable Knitting Needle Set - Knitting Needles

Denise2Go for Knitting, Complete Sets

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Needle-only sets (standard and short tips) - Denise

Denise Interchangeable Crochet Hook Kit-Pink Pastel, Pk 1, Denise