Middle Atlantic HSK Square Post Screws - 100 Pieces

Middle Atlantic HSK Quantity: 100 PC. Guardian Series black square post security screws with washers. Features: -Highest security screws feature a unique square post drive -Tamper-resistant -Square-drive 10-32 by 3/4 screws -Black oxide finish -Factory installed nylon washers and self-guiding pilot points -Square drive bits available