- Universal Fit M10 x 1.25mm Left Hand Thread
- OEM Replacement Part Number: 308923013, 120950010
- Made of Premium Plastic, Strong, Durable and Wear-Resistant
- Fits For Toro String Trimmer Head Models: 51954, 51955, 51974, 51975
- Fits For Ryobi RY29550 / RY30530 / RY30550 / RY30570 / RY34420 / RY34440 30cc String Trimmer and Brush Cutter