GRK 10225 Rugged Structural Screw, #5/16 X 4", Bulk Winter_Items Connection Type: 3/8" Female Compression

Connection Type: 3/8" Female Compression x 3/8" Female Compression

Convenience is another great benefit of Heath® Zenith's motion activated lighting

Treats 52 gallons/just 2 squirts per gallon

never made with mercury or lead

Energy savings up to 87%

GRK 10225 Rugged Structural Screw, #5/16 X 4", Bulk Winter_Items Connection Type: 3/8" Female CompressionHighlights: Scientifically proven to out perform traditional screws Patented designs for no pre drilling Patented Climatek all weather coating May be used for Lag screw replacement Self countersinking design W Cut thread design, ZipTip Sharp threads and points Built in washer 400 Pieces Per Box Size: #5 16 X 4"