Tapcon 1/4" x 3-1/4" White Ultrashield Philips Flat-Head Concrete Screw Anchor (75 Ct.) Dupont round corner automatic door-closing spring

round corner automatic door-closing spring hinge

Shallow depth for maximum wiring room

Stays flexible to -30 degrees

or Board-N-Batten style exterior shutters

100% liquid proof

Tapcon 1/4" x 3-1/4" White Ultrashield Philips Flat-Head Concrete Screw Anchor (75 Ct.) Dupont round corner automatic door-closing springWhite Ultrashield Tapcon Concrete screw anchors are perfect for hurricane protection and any exterior projects that require fastening into masonry. The Ultrashield brand of concrete anchors deliver the same ease of use, superior precision and the unparalleled performance that pro's receive from the original blue Tapcon.