Descriptions: These hand thread taps adopt bearing steel with high wear and heat resistant, which is durable and has long service life. Great tools used to create screw threads on wood, plastic, aluminum or many other soft materials. and also an ideal tool in auto repair and machinery Features: Adopting bearing steel with high wear and heat resistant, which is durable and has long service life. Standard thread distance design, clear and tidy, no burr. They are used to cut new threads or repair damaged threads, you will have a smooth tapping experience with them Great tools used to create screw threads on wood, plastic, aluminum or many other soft materials. Ideal tool in auto repair and machinery Specifications: Material: bearing steel Thread diameterOptional: 3mm (M3) / 4mm (M4) and 5mm (M5) Length: 46mm (M3) / 49mm (M4) / 55mm (M5) Wight: 7g, 11g, 19g Package Included: 3 x Thread Taps Package List 1Adopting bearing steel with high wear and heat resistant, which is durable and has long service life. 2Standard thread distance design, clear and tidy, no burr 3They are used to cut new threads or repair damaged threads, you will have a smooth tapping experience with them 4Great tools used to create screw threads on wood, plastic, aluminum or many other soft materials. 5Ideal tool in auto repair and machinery