This knitting machine tensioner is made of high-quality plastic and features an odorless, safe design with a smooth surface texture. Easy to use and install, this yarn knitting machine tensioner requires no drilling and can be quickly attached to your knitting machine. It allows for hands-free operation, eliminating the need to manually hold and tighten the yarn. The tensioner helps maintain consistent yarn tension, improving knitting efficiency. This adapter is designed for convenient and efficient knitting. The package includes 3 pink knitting machine tensioners, ideal for replacement and extended use. The tensioner is widely compatible with 48-needle, 40-needle, 32-needle, and 22-needle machines. Please note: it is not compatible with Penguin 22-pin machines. Color: As shown Material: Plastic Package Contents: 5 x Knitting machine adapters Note: Light reflection and different displays may cause slight color variations. Measurement may vary by +/- 1-3 cm.