Crochet Hooks in metal and plastic from Pony. Thread sizes from 0.60-1.75mm (UK 6-2 / US 14-4) are high-sheen polished metal. Regular sizes 2.00-5.50mm (UK 14-5 / US B-I) are matt pearl grey aluminium. Large sizes 6.00-20.00mm (UK 4+ / US J-Q) are matt grey plastic. Basic and affordable, Pony is a well-known household name in Knitting and Crochet renowned for their quality needles and hooks and accessible prices.