The PL 4" FL Power-Lock from U S Tsubaki Holdings is a precision locking device designed for secure and efficient power transmission. This model features a 4-inch diameter, making it ideal for various industrial applications. Constructed from high-strength materials, it ensures reliable performance under heavy loads. The Power-Lock is compatible with various shaft sizes and is easy to install, providing a secure fit that minimizes slippage. This locking mechanism meets industry standards, making it suitable for a wide range of applications in mechanical systems.