Soft Grip Crochet Hooks feature a soft, contoured handle that provides comfortable working for a longer time! Nickel-free aluminum hooks. Soft grip handles in a rainbow of colors. US and Metric sizes printed on handles. Sizes: US A (2.0mm), US B (2.5mm), US C (3.0mm), US E (3.5mm), US G (4.0mm), US 7 (4.5mm), US H (5.0mm), US J (6.0mm).