This 5piece hand tap set delivers exceptionals durability and cutting efficiency with premium high speed steel construction, covering essential size ( 3mm-8mm) for versatile threading tasks The comprehensive threading tools set eliminates frequent tool changes with strategically sized taps, for drilling benches and portable toolkits in industrial or garage environments Create clean internal threads in aluminum plates, copper fittings, or iron components during automotive restoration, machinery maintenance, or home appliance fixes precise engineered taps feature heat treated forging for enhanced hardness toughness balance and ±0.01mm thread accuracy, ensuring seamless fastener compatibility across metalworking applications Ideal for mechanics, enthusiasts, and maintenance technicians requiring reliability manual threading tools for workshop repairs or small scale fabrication projects, Manufacturer: KACCDE