This knitting machine tensioner is made of high quality plastic,has the advantages of odourless, safe and ,and a surface texture. Easy to use and easy to install,this yarn knitting machine tensioner works , does not require drilling, and it can be installed on your knitting machine at the touch of a button. When using this knitting machine, you free up your hands and do not need to hold the yarn to tighten it. The knitting machine tensioner helps to increase the tension and thus increase the efficiency of knitting. This knitting machine adapter brings knitting , with a speed and a convenient way.You will receive 3 lovely pink knitting machine tensioner, multiple pieces for your replacement . Knitting machine tensioner is widely compatible with 48 needle machine, 40 needle machine, 32 needle machine, 22 needle machine, attention!! Not compatible with Penguin 22 pin machine. Colour:As Shown Material:plastic Package Contents: 5 x Knitting machine adapter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.