Precision with Hat Cast On Chart Tool: No more guesswork in your knitting projects! Our Hat Cast On Chart Tool helps you accurately calculate the number of stitches to cast on based on your head circumference and knitting gauge, ensuring a perfect fit every time. Versatile Quick Gauge Ruler for Knit and Crochet: This easy-to-use knitting gauge tool is not just for hats; it serves as a quick gauge ruler for both knit and crochet projects, making it an essential addition to any crafter's toolkit. Handmade Wooden Knitting Gauge Kit: Crafted from high-quality wood, this 3.5x5 inch knitting gauge tool kit is durable and portable, featuring a stylish design that adds charm to your crafting space while keeping your measurements organized. Comprehensive Hat Size Guide: With our Hat Size Guide embedded in the Hat Cast On Tool, you can effortlessly determine needle sizes and cast numbers, making it ideal for beginners and experienced knitters alike who want to streamline their knitting process. Perfect Gift for Knitting Beginners: This knitting ruler and gauge tool is a thoughtful and practical present for knitting enthusiasts, helping them create beautifully fitting hats and other knitted items with ease. Color: As Shown Material: Wood Package Contents: 2 * Hat Cast On Chart Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.