Discover the Master Lock K135 Single Keyblank, the perfect solution for replacing lost or damaged keys for your Master Lock padlocks. This high-quality keyblank is specifically designed for use with Master Lock models 4130 and 4135, ensuring a precise fit and optimal performance. Made from durable materials, this keyblank provides long-lasting reliability for all your security needs. Whether you're a locksmith or a DIY enthusiast, the Master Lock K135 is an essential addition to your toolkit. Order now and ensure your padlocks are always secure!