We designed the Sock Check with sock makers in mind—it's a great way to check your gauge, check the length of your sock, and verify the hook or needle size. But it's also just a great tool to have in your bag! Made of rigid acrylic, this 12 inch (30 cm) ruler is etched with measurements, plus an easy-to-read gauge check. We also included the Kitchener stitch method so you can seam up your toes without having to google it.