Grilled Steak Kabob Marinade

1/2 cup soy sauce
1/2 cup white wine
1 1/2 cups pineapple juice
2 tablespoon red wine vinegar
1/4 cup sugar
1/4 teaspoon garlic powder
2 pounds steak
Seasoned Salt

Cut steak into cubes. Mix all ingredients well and allow steak kabobs to marinate in refrigerator for 4-10 hours. Before cooking, lightly sprinkle seasoned salt over steak chunks.