Colour:As Picture ShowFeatures:1. They are made of high-speed steel material, and forging by high temperature quenching. Fastening,rustproof, high efficient and durable. And High accuracy.2. A number of different sizes to meet different needs. The 20-Piece tool set includes: 8 Phillips Bits (2 each: PH0, PH1, PH2, PH3);8 Flathead Bits (2 each: 1/8" 3.2mm, 5/32" 4mm, 3/16" 4.8mm, 1/4" 6.3mm); 2 Countersink Bits ( 3/32" 2.4mm, 1/8" 3.2mm);1 Allen Wrench; 1 Double-headed Drill Driver.3. Easy to Replace: Easily switch between bits in seconds. Simple and practical.4. Swivel head flips & locks from drilling to driving.Satisfied for DIY and woodworking with your own power drill.5. Universal hex shank diameter is 6.35mm, hex handle design make clamping more stable.All tool sets contained in a sturdy, folding case for easy storage and portability.Specifications:Material: HSSColor: As ShownFunction: punching, chamfering countersunk, screw tighteningPackage size: (approx) 19.5x7.8x4.3cmPackage Included:1 PC X Double-headed Drill Driver8 PCs x Phillips Bits8 PCs x Flathead Bits2 PCs x Countersink Bits1 PC X Allen Wrench1 PC X Yellow Storage CaseNote:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.3. The products are not suitable for the following materials: iron plate, glass, stainless steel.