5955 #10 X 1-1/2in Backerboard Screws, Quik Drive by Quick Drive #10 x 1-1/2″ #3 square recess, flared head w/nibs. Use for HARDIBACKER backerboard. 1500 screws per box. Bugle head / QuikGuard coating 23 screws per strip. Posted in General Tools, Power Tools, Quick Drive tagged with Quick Drive