NOZZLE HOLDER BRASS A full range of Nylon nozzle holders to suit our range of blast hose products. Internal grip rings bite into the blast hose for a safe and secure fit and retaining screws provide additional holding power without penetrating the inner hose layer. NHB 1/2 MaterialBrassSize1/2″Diameter60mm OD NHB 3/4 MaterialBrassSize3/4″Diameter33mm OD NHB 1 MaterialBrassSize1″Diameter 35mm OD NHB 2 MaterialBrassSize1 1/4″Diameter48mm OD NHB 3 MaterialBrassSize1 1/2″Diameter 55mm OD