Compatible Models: This replacement trimmer blade is designed for QC5130, QC5115, QC5120, QC5125, 51350, PT786, and S9311 electric clippers. Ensures seamless compatibility and performance with these specific models for optimal grooming results. Advanced Material: Crafted from premium stainless steel, this blade conforms to the contours of the head for instant hair cutting and smooth trimming. Durable construction ensures long-lasting sharpness and resistance to wear and tear. Safety Design: Features R-shaped rounded corners and polished teeth to prioritize scalp safety. Gentle contact helps prevent skin irritation and ensures a comfortable trimming experience without compromising efficiency. Cool Operation: Engineered with superior serration geometry and advanced blade technology, the blade fits snugly against its cutting edges. Enhances cutting precision and helps maintain a cool blade temperature to prevent overheating during use. Ease of Use: Installing this blade is straightforward, quickly restoring your clipper's functionality. Regular cleaning and proper maintenance are recommended to extend the blade's lifespan and keep it in top condition. Color: Black Material: Plastic + Metal Package Contents: 2 x Hair Clipper Replacement Heads Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3 cm.