[150-Piece Value Set in 10 Colors] Get 150 locking stitch markers in 10 colors (15 per shade) to color-code rows, repeats and pattern changes at a glance, and keep them sorted in the included 10-compartment clear storage box [Works for Knitting & Crochet] The slim profile slips onto standard knitting needles, while the secure locking ring marks rows, repeats and increases on crochet hooks, so one set covers both crafts [Smooth Snag-Free Plastic] Lightweight smooth plastic with a gentle locking clasp slides along yarn without catching or splitting, protecting fine to medium weight projects from snags and dropped stitches