Meet the toughest grease guns around. Plews/LubriMatic grease guns are constructed of heavy duty steel and finished in rugged baked enamel or tough zinc plate. Just right for the small jobs. Unit is pre-filled with 65 grams of Marine grease and is refillable. Easy, convenient one-hand operation. A simple push delivers the grease. Long narrow tip gets into tight areas convental grease guns can't. Equipped with centering tip to keep the gun on the fitting, preventing slippage.