This external needle positioner is designed for industrial sewing machines, providing precise control over needle stop position. It allows users to select whether the needle stops in the up or down position. Compatible with brushless synchronous motors, this device supports consistent sewing quality and enhances overall accuracy. By ensuring exact needle placement, it helps reduce production time and improve workflow efficiency. The synchronizer enables smoother transitions between sewing operations, reducing fabric waste and enhancing the quality of finished products. Designed for industrial sewing machines with handwheels that are fixed or screwed to the spindle. Constructed with black metal for durable performance in demanding environments. Adapters may be required for certain machine models. The positioning rod secures into the sensor slot with two set screws, allowing adjustable positioning for fine-tuning the needle stop location based on specific sewing needs. Color: As shown. Material: Plastic. Package includes: 1 x Industrial sewing machine needle positioner. Note: Other items not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement may vary by +/- 1-3 cm.