Prym Ergonomics Crochet Hooks will revolutionize your crocheting! The optimized hook catches yarn easily, and the comfortable handle shape helps you work with ease. Rubberized grip reduces hand fatigue with a comfortable shape. The high-performance synthetic material is lightweight, flexible, and warm to hold. Set includes sizes: 7mm, 8mm (US L), 9mm (US M), 10mm (US N), and 12mm (US O).