M4 Pin-in-Torx Security Screws Assortment Kit Stainless Steel,Pack of 80-piece Kit contains: M4 x 6mm 10-piece, M4 x 8mm 10-piece, M4 x 10mm 10-piece, M4 x 12mm 10-piece, M4 x 16mm 10-piece, M4 x 20mm 10-piece, M4 x 25mm 10-piece, M4 x 30mm 10-piece Thread Diameter: 4 mm, Thread Pitch: 0.7 mm, Right Hand, Full Thread Stainless Steel Drive Style :Tamper Resistant Pin-in-Star Pin Torx,6 Lobe Pin Button Head Security Bolts