Amazon.com: YOJOB 1Pack Size I / 5.5mm Crochet Hook, Super Smooth & Ergonomic for Beginner and Advanced (5.5mm-I)
Amazon.com: Crochet Hook, 5.5 mm Ergonomic Crochet Hook, Crochet Needles, Ergonomic Handle Crochet Hook, Knitting Needles with Soft Handle Beginners and Experienced Crochet Hobbyists (5.5 mm)
Here's a tip and conversation starter for making Farmhouse Granny Squares like an expert using Premier Brand worsted weight yarn and a special 5.5mm crochet hook. : r/crochet
Does that look right for double crochet, I used an i hook (5.5 mm) with the right sized yarn but there are such huge gaps between my stitches tho I usually crochet