Mueller 103-501RP Flowlock Hose LockMueller 103-501RP Flowlock Hose Lock Features:;Hose lock;Revolutionary locking device for hose thread valves;Promotes water conservation;Fits all 3/4-inch hose thread outlets;Easy to install, no tools required;Made form heavy duty non rusting material;Anodized finish for years of maintenance free use;Includes 2 keys; Image shown may vary by color, finish, or material