Compatible Models: This replacement trimmer blade is designed for QC5130 QC5115 QC5120 QC5125 51350 PT786 S9311 electric clippers. Ensure 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. Its durable construction ensures long-lasting sharpness and resistance to wear and tear. Safety Design: Featuring R-shaped rounded corners and polished teeth, the blade's design prioritizes your scalp's safety. This gentle contact prevents 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. This design not only enhances cutting precision but also maintains a cool blade temperature to prevent overheating during use. Ease of Use: Installing this blade is straightforward, enhancing your clipper's functionality almost immediately. Regular cleaning and proper maintenance are recommended to extend the blade's lifespan and ensure it remains in top condition. Colour:black Material:Plastic + Metal Package Contents: 2 * Hair Clipper Replacement Head 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.