National Nail 3-1/2 in. #10 ProTech Green Premium Star Drive Bugle-Head Deck Screws Color:Green include exclusive features that deliver

include exclusive features that deliver unmatched 50x longer life in both wood & metal cutting applications

Comes with pre-wired built-in grounding with easy access to wiring terminals for quick and simple installations

long-lasting patch

Stays wet longer and cuts deeper

National Nail 3-1/2 in. #10 ProTech Green Premium Star Drive Bugle-Head Deck Screws Color:Green include exclusive features that deliverMultipurpose deck screws for face fastening wood deck boards and securing other exterior wood to wood connections Type 17 slash point for fast starts and no pre drilling Buglehead draws board tight, finishing flush 2 3 thread design offers premium holding power T 20 and T 25 Star Drive reduces cam outs and eliminates excessive wear on the screw head and bit 1 in. (31. 8mm), 1 in. (41. 3mm), 2 in. (50. 8mm), 2 in. (63. 5mm), 3 in. (76. 2mm), 3 in. (88.