The MB3 wrench is designed for compatible TR60 sand filter applications where the dome component needs to be removed or tightened during maintenance. A specialty wrench is useful because it helps provide the proper leverage and grip, supporting easier service and helping reduce the risk of damage to the dome.This tool is especially useful when the dome is difficult to turn because of age, pressure, or repeated use and a proper tool is needed for safer removal. The metal construction helps provide durable support for repeated maintenance work.The W-60 is a practical service tool when a compatible TR60 sand filter needs dependable dome-access support. MB3 specialty wrench Designed for compatible TR60 sand filter dome service Metal construction Useful for dome removal and installation during maintenance Supports cleaner and more dependable service work