Crochet hook for wool set, ergonomicsGive pleasure with a stylish present! The gift set of prym. ergonomics crochet hooks for wool lends itself to this, because it contains 5 high quality crochet hooks for wool in gauges 3. 5 mm, 4. 0 mm, 4. 5 mm, 5. 0 mm and 6. 0 mm 7. 0 mm, 8. 0 mm, 9. 0 mm, 10. 0 mm und 12. 0 mm. The crochet hooks are made of special, light synthetic material ensuring that you can work effortlessly without strain on the wrists and they are comfortably warm to the