Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Please see our Wrenches category

Please see our Wrenches category under All Products for various storz hydrant wrenches and spanner wrenches

Type "A" polypropylene 1 1/4 inch male camlock (Cam & Groove) coupler to 1 1/4 inch female NPT threads

This tool is made to fit on a socket wrench to allow tightening of the storz hydrant converter during installation

Compatible part number - DMH3025

Knox Box FDC Lock 1 1/2" Male NH/NST Locking Cap Model:3190 (9.0 TPI x 1.990 OD) Please see our Wrenches categoryKnox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high pressure water flow to fire sprinkler systems. The Knox FDC Lock is available in 1 1 2" configuration and is operated with a Knox FDC wrench controlled by the Fire Department. Ensures ready and reliable connections to fire sprinkler systems Protects check valves from freezing in cold climate areas Eliminates costly services to back