Easily calculate the number of stitches and rows, perfect for knitted pullovers and other clothing. 20 measuring holes for determining the length between 1.5 mm and 10 mm Knitting calculator, With counting stand, Suitable for calculating the amount of yarn/wool required for a given project. The knitting calculator is an indispensable tool for knitting and other clothing. It can help determine the needle gauge, calculate the number of needles and rows, and convert the number of needles and rows required for any required clothing size and yarn thickness. First, use the counting box to count the number of stitches and rows per 10 cm. Then, the slider of the knitting calculator can be set to the calculated value on the scale of 8 to 49 stitches per 10 cm. A viewing window directly displays the number of stitches and rows with a length of 1 cm to 100 cm. Colour:As Shown Material:Plastic Size:about 15cm Package Contents: 1 * Converter Knitting Calculator 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.