Fastap Plus DAC250W #9 x 2-1/2" Exterior Self Drilling Wood Screws with DuracoatXT - Phillips Drive Head 500 per Package Fastap Plus For General Exterior Carpentry #9 wire diameter x 2-1/2" Length Premium DuracoatXT coating far outlasts galvanized and Power Point self drilling tip #2 Phillips drive and flathead with nib design 500 Screws per Package