Knitting Machine Tensioner: This yarn tensioner replacement can help control the tightness of yarn according to your knitting needs. From now on, you no longer have to continuously hold the yarn in fingers when using your knitting machine, which is more uniform and faster than manual adjustment, allowing you to work more effortlessly, significantly boosting your efficiency
Compatibility: This removable yarn tensioner adapter compatible with Sentro 22 32 40 48 Needle knitting machine
2 Pack Yarn Tensioner: Package includes 2 yarn tensioner with Aluminum oxide presser. Now, can keep one tensioner to each of your knitting machines, eliminating the hassle of constantly switching it from one to another. What's more, it's a great way to share the joy of knitting with your friends
Easy Installation: fits over the top of knitting machine's upper yarn guide without glue, without tools, and doesn't require a permanent mounting. Just unclip and remove the lower original tension bar with the three holes, then put tensioner over the top of the machine's upper pyramid shaped yarn guide, it's that easy
Using Instruction: 1. Before starting, please keep the pink hook facing up, which is in the middle the presser, you can adjust it via the wing nut on the left hand side. 2. You can adjust the tension elasticity by screwing the white plastic knob on the right