Clover Soft Touch Crochet Hook 3.75 mm US F - 1006 - Ritohobby.co.uk
KnitPal Cro-Knit Circular Crochet Needle Hooks Set, with Wire, Two-Ended Tunisian for Crochenite, 7 Hook Sizes D/3mm, E/3.5mm, F/3.75mm, G/4mm,7/4.5 mm, H/5mm and I/5.5mm, 16-inch : Amazon.co.uk: Home & Kitchen
Amour Crochet Hook F (3.75mm) – Clover Needlecraft, Inc.
Crochet Hook Sizes - Everything You Need to Know - Crochet 365 Knit Too