About This

• Complete Metric and SAE Dual-Standard Set: Includes 28 taps, 28 dies, 3 thread files, and 2 pitch gauges; covers UNC (5/8 in. – 1/4 in.), UNF (5/8 in. – 1/4 in.), and metric (M6–M14) standards to meet a wide range of thread repair needs
• Repair Worn and Damaged Threads: Designed specifically to repair worn, damaged, or corroded threads while maintaining the integrity of metal components; suitable for thread repair on spark plugs, engine blocks, pipe fittings, and other parts, ensuring smooth and reliable fastening
• Durable Heat-Treated Carbon Steel: Each tool is forged from heat-treated carbon steel and features a zinc-plated or black oxide finish; offering excellent hardness, rust resistance, and durability, making them ideal for professional repair scenarios involving frequent use
• Color-Coded Quick Identification System: Features color-coded hexagonal taps and dies designed to fit standard wrenches or sockets; when used with pitch gauges and three file profiles, alignment, cleaning, and cutting can be completed in a single operation
• Portable, organized storage design: The sturdy blow-molded storage case features color-coded sections—silver (UNC), black (UNF), and gold (metric). Each tap, die, file, and gauge is neatly organized for quick access and on-site use