Specifications:Made of high quality carbon steel material, durable and sturdy, high strength and high toughness, long lasting life and high quality, easy to install and use.Organized in a compact carrying case, easy to transport and storage, neat and organized.Simple repair tools to repair and maintain electronic, electrical and mechanical.Great for automotive, electronics, outdoor electrical, professional and household applications and so on.Item Name: Screw BitsQuantity: 33Pcs/SetType: Hollow/Solid (Optional)Material: SteelFeatures: Durable, Portable, High StrengthBox Size: 6.6cm x 4.6cm x 2.8cm/2.60" x 1.81" x 1.10" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:33 x Screw Bits