This valve lockout by SPEEDAIRE is a must-have for any industrial setting. With a size of 3/8 inches, it is perfect for use with compressed air tanks and can handle a maximum pressure of 250 PSI. Made by a trusted brand, this lockout ensures the safety of workers by preventing the unintended release of compressed air during maintenance or repair work. It is an essential tool for any workplace that deals with air compressors and blowers.