Package Included -- You will receive a spinning and knitting control card that measures 7.5x4cm (1.57x2.95 inches) it won't take up too much space and the convex notch allows it to be easily fixed on the spinner. The corners have pre-drilled holes approximately 3mm in diameter for attaching it to a keychain or bag charm WPI Specifications -- Clearly labelled calibration specifications allow you to check yarn size and quickly determine the WPI rating by counting the number of yarn wraps per inch or by laying the yarn along the black bar until you find a match Wave Pattern Design -- This spinning control card incorporates wave and seagull pattern design elements rough waves combined with flying seagulls creates a strong visual effect and enhances the aesthetics of the product High Quality Material -- This wool WPI gauge is made of high quality wood which is lightweight comfortable to touch and not easy to break sturdy and durable Widely Used -- This WPI gauge is perfect for spinning and knitting measurements and can also be a nice gift for your friends and family who love to sew