Screw Products HDB104-5 Star Drive Heavy Duty Exterior Screw, 10" x 4" Rubber Flex Fittings 5-3/8" pipe and coupler

5-3/8" pipe and coupler

matte black steel outer casing

Coverage: 300-400 sq

Outside Diameter : 3/8"

Will not dent

Screw Products HDB104-5 Star Drive Heavy Duty Exterior Screw, 10" x 4" Rubber Flex Fittings 5-3/8" pipe and couplerHighlights: Size: 10" x 4" Star drive offers twice the torque over phillips or square drive screws True flat head with self countersinking nibs and drag reducing knurled shoulder Type 17 notched extra sharp point reduces the need for pre drilling Tiny cuts on the threads reduces the torque needed to drive the fastener Bronze star exterior coating compatible with pressure treated lumber and can be used with tannic wood such as cedar and redwood