Construction: Crafted from robust plastic and mETAL, this embroidery hoop lock knob is engineered to withstand frequent use, ensuring a long lifespan and consistent performance in securing your embroidery fabric. Versatile Compatibility: Specifically designed to fit a range of popular embroidery machines including Viking 50, 40, Sapphire 85, and Jade 35. This tool is essential for both amateur and professional embroiderers looking to achieve precise fabric tension. Secure Fabric Handling: This embroidery hoop tightener is crucial for maintaining fabric tautness, which is key to achieving accurate and uniform stitches in your embroidery projects. It prevents fabric slippage and ensures outcomes in detailed designs. User-Friendly Adjustment Mechanism: Featuring an easy-to-use design, this tool allows for quick adjustments to the fabric tension. Whether you need to tighten or loosen the fabric, the process is simple and efficient, enhancing your overall embroidery experience. Wide-Ranging Applications: Ideal for applications such as clothing design, handcraft projects, and furniture decoration. It serves as a perfect replacement for worn-out or parts, revitalizing your embroidery machine's functionality. Color: White Material: plastic+metal Package Contents: 1 * Embroidery Hoop Tightening Lock 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.