This is a box of practical round head screw set, made of materials, strong and durable, and . It is fully equipped, and your use will be more convenient. It is fixed with non-slip screws and can be directly locked on wood or thin iron materials. It is a practical tool in your daily life and will bring you convenience. Features -Color: Black -Material: Iron, Plastic -Size: About 5.00X0.80X0.80cm/1.97X0.31X0.31inch -Made of materials, safe and durable, with excellent texture. -The configuration of this product is complete, your use will be easier and more convenient. -It is fixed with non-skid screws and can be directly locked on wood or thin iron materials. -This product contains a large number of screws, which can meet your needs well. -The cross countersunk head tapping screw set is suitable for professional repair shops and home use. Package list: 140 x Screw, 30 x Screw cap, 10 x Yellow expansion tube, 10 x White single tube