THIS IS FOR A NEW TRUNK WEATHERSTRIPPING FOR A 1957 CHEVROLET ONE-FIFTY SERIES, TWO TEN OR BEL AIR. THIS IS THE SNAP IN STYLE JUST LIKE THE ORIGINAL. IF YOUR TRUNK LID HAS NO SNAP HOLES FOR THE RUBBER TO SNAP INTO, YOU HAVE A 55-56 TRUNK LID. YOU MUST USE THE 55-56 RUBBER WHICH IS IN MY STORE ALSO. SKU# 1160