Specification Brand : Airshi BulletPoint : Carbon Steel BulletPoint1 : Storage Box: This tap and die set comes with a storage box, and does not separate the tap and die tools, which is not easy to get mixed up, and it is very convenient to store and carry. BulletPoint2 : Excellent Plated Carbide Alloy: This tap and die set is made of excellent plated carbide alloy which is strong, wear resistant and durable. BulletPoint3 : Tapered Thickness: This tap and die set features a tapered thickness that makes threading easier and smoother and prevents over threading. BulletPoint4 : Wide application: This tap die set has a wide range of applications and is perfect for rethreading fasteners and fastener holes for automotive and mechanical repairs. BulletPoint5 : Designed For Thread Cutting: This tap and die set is designed for thread cutting, the tap is for internal threads and the die set is for external threads. ExternallyAssignedProductIdentifier : 7094690317343 ItemName : Tap Die Set, Wide Application 86PCS Essential Threading Rethreading Tool Kit for Machine Maintenance ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 38 centimeters ItemPackageDimensions_Width : 27 centimeters ItemPackageQuantity : 1 ItemShape : Hexagon ItemTypeKeyword : hex-threading-dies Manufacturer : Airshi Material : Carbon Steel ModelName : Airshivkbz70s52m ModelNumber : Airshivkbz70s52m NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Airshivkbz70s52m ProductDescription : 1. Excellent Plated Carbide Alloy: This tap and die set is made of excellent plated carbide alloy which is strong, wear resistant and durable. 2. Wide application: This tap die set has a wide range of applications and is perfect for rethreading fasteners and fastener holes for automotive and mechanical repairs. 3. Tapered Thickness: This tap and die set features a tapered thickness that makes threading easier and smoother and prevents over threading. 4. Designed For Thread Cutting: This tap and die set is designed for thread cutting, the tap is for internal threads and the die set is for external threads. 5. Storage Box: This tap and die set comes with a storage box, and does not separate the tap and die tools, which is not easy to get mixed up, and it is very convenient to store and carry.