Discover the Master Lock K130 Single Keyblank, a perfect replacement for various Master Lock padlocks. This keyblank is designed for compatibility with models such as 130, 140, 635, 645, 9130, 9141, 4130, and 4140. Crafted with precision, the K130 keyblank ensures reliable performance and durability. Whether you need a spare key or a replacement, this keyblank is an essential addition to your security toolkit. Keep your property safe with the trusted quality of Master Lock.