Pony crochet hooks come in size 3 mm, 3.5 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7.5 mm, 8 mm, 9 mm, 10 mm and length 15 cm and are used with light weight wool or synthetic yarns to crochet garments. Sizes 3 mm to 5 mm are made from solid aluminium with smooth anodized grey finish.
 
Bigger sizes from 5.5 mm to 10 mm are manufactured from superior grade ABS plastic for easy handling. These plastic crochet hooks are used to crochet bulky items and is worked with rug or worsted items. This hook also helps work to move quickly.