50 Piece Hex, Star, Torx  Extra Long  Screwdriver Bits  Multi-drill set-50 pieces: star, TP star, clutch, Torq, Spline, Tri-Wing, Square, Spanner, Flat, Phillips, Hex Bits and hexagonal in various sizes. High efficiency: Magnetic extended drill bit clamp can reduce peeling and shaking. Portable: The box keeps your tools organized.  Chrome vanadium steel for durable and strong.