Melt 2 Tbsp. of the butter; set aside. Beat eggs and milk in medium bowl with wire whisk until well blended.
Add melted butter, the flour and salt; beat until smooth.
Let stand 20 min.
Heat lightly greased medium nonstick skillet on medium heat. Ladle 1/4 cup batter into skillet, tilting pan to form a thin round circle. Cook 1 to 2 min. or until edge of crepe is lightly browned. Carefully turn crepe with spatula; cook an additional 30 sec.
Remove from skillet; cover to keep warm. Repeat to make a total of 8 crepes.
Melt remaining 1 Tbsp. butter in small saucepan on medium heat.
Add garlic; cook and stir 2 min. Gradually add cream cheese, stirring until completely melted.
Add shrimp, crabmeat and tomato sauce; stir. Cook 10 min. or until heated through. Spoon 1/3 cup of the seafood mixture down center of each crepe; roll up.