Washer 31409000 is a spinal implant accessory with a diameter of 4.0 mm, made from durable medical-grade titanium. It is designed for compatibility with various spinal implant systems and provides secure fixation and stability during surgeries. The washer comes pre-packaged and sterile for immediate use, making it ideal for spinal fusion procedures. Manufactured under strict regulatory standards, it enhances surgical outcomes and improves patient recovery time.