M6 Tamper-Resistant Security Screws Flat Head Assortment Kit 6-lobe torx screws M6 Pin-In-Torx,6 Lobe Pin Flat Head Security Screws Set Kit contains:M6 X 10mm,M6 X 12mm,M6 X 16mm,M6 X 20mm,M6 X 25mm,M6 X 30mmEach Size 6 Pieces Thread Diameter: 6 mm, Thread Pitch: 1.0 mm, Right Hand, Full Thread Drive Style :Tamper Resistant Pin-in-Star Stainless Steel,Come with Box