GRK FIN ProPak TRIM Head Finishing Screws, 8 by 1-1/2-Inch, 915-Count #8 trim screws use bit T-10; #9 trim screws use bit T-15 Self-tapping, TRIM head screws; W-Cut thread design One pail contains 915 screws Climatek coated for all weather corrosion protection conforms with ICC#2442 TRIM head screw for any fine woodwork or carpentry application