Knox Box Standpipe Lock 2 1/2" Female NH/NST Locking Cap Model:4023 (6.0 TPI x 3.187 OD) The 350CK2 Repair Kit is

The 350CK2 Repair Kit is compatible with sizes 2 1/2"

keeping pipes clean of debris to ensure the delivery of high-pressure water flow to fire sprinkler systems

This tool is used for 5/8 inch band clamps

It is a finer thread than National Pipe Thread (NPT)

Global type "D" stainless steel 2 1/2 inch female camlock (Cam & Groove) coupler to 2 1/2 inch female NPT threads

Knox Box Standpipe Lock 2 1/2" Female NH/NST Locking Cap Model:4023 (6.0 TPI x 3.187 OD) The 350CK2 Repair Kit isThe Knox Standpipe Lock protects standpipes, fire and wall hydrants from accidental damage, vandalism, and physical attack. Since the Knox Standpipe Lock holds water pressure, it can be installed on hydrants. The Knox Standpipe Lock is available for 2. 5 connections with varying thread options and is operated with a Knox FDC Wrench controlled by the Fire Department. Protects dry and wet standpipe outlets in stairwells from vandalism Reduces