Specification Brand : Happybuy BulletPoint1 : Convenient Storage Case: The thread repair kit comes with a carry case that neatly arranges all your thread repair tools. It enables effortless transportation from one job to the next, guaranteeing a smooth and trouble-free experience. BulletPoint2 : Built to Last: Our thread chaser set is made from top-quality steel with a precisely ground surface, having a hardness of HRC 55-62. This guarantees excellent corrosion resistance and long-term durability, making it a dependable tool. BulletPoint3 : 49-Piece Precision Repair Set: This rethreading tool kit is engineered to trace and restore worn or damaged threads. It acts as both a thread restoration and cleaning tool, effectively eliminating stubborn dirt and corrosion without affecting thread integrity. The 49-piece kit comprises 24 dies, 22 taps, and 3 thread files, designed to restore threads on rusted fasteners as well as bolt holes on cylinder heads, engine blocks, and other vehicle components. BulletPoint4 : Comprehensive Size & Color-Coded Design: The thread chaser kit encompasses three standards (UNF, UNC, and Metric) and features color-coding for rapid visual identification. UNC (Silver): 5/8""-11, 9/16""-12, 1/2""-13, 7/16""-14, 3/8""-16, 5/16""-18, 1/4""-20; UNF (Black): 5/8""-18, 9/16""-18, 1/2""-20, 7/16""-20, 3/8""-24, 5/16""-24, 1/4""-28; Metric (Gold): M14x1.5, M12x1.75, M12x1.5, M12x1.25, M11x1.5, M10x1.5, M10x1.25, M10x1.0, M8x1.25, M6x1.0. BulletPoint5 : 3 Thread Files with Removable Plastic Covers: The thread files in our thread restorer kit are equipped with removable plastic covers to protect the cutting edges and safeguard your hands during usage. SAE Thread File 1: 9 - 10 - 12 - 16 - 20 - 27 - 28 - 32; SAE Thread File 2: 11 - 12 - 13 - 14 - 16 - 18 - 20 - 24; Metric Thread File: 0.75mm - 1.0mm - 1.25mm - 1.50mm - 1.75mm - 2.00mm - 3.00mm. IncludedComponents : 1 x Thread Chaser Set 1 x User Manual ItemName : Happybuy 49-Piece Thread Chaser Set, UNC UNF and Metric Thread Restorer Tool, Rethreading Tool Kit with 22 Taps 24 Dies 3 Thread Files Storage Case, Heat Treated Steel, for Mechanics DIY Enthusiasts ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : automotive-thread-repair-metric-kits Manufacturer : Happybuy ModelName : 49-Piece Thread Chaser Set ModelNumber : LWCXTZ049 NumberOfItems : 1 PartNumber : 49-Piece Thread Chaser Set ProductDescription : Item Model Number: XRSS049 Quantity: 49 Pcs Main Material: HSS Specifications: UNC, UNF, & Metric Main Color: Red & Black ProductSiteLaunchDate : 2025-01-06T08:15:00.143Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000