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▲Long Life Durability: professional industrial grade GCr15 bearing steel material for long-life durability and good tool function maintaince;
▲Metric Size thread, NC thread: 1 long handle tap wrench + 1 die wrench + 9 dies + 9 taps
▲Frequent used thread size included: (M3 x 0.5mm), (M4 x 0.7mm), (M5 x 0.8mm), (M6 x 1mm), (M7 x 1mm), (M8 x 1.25mm), (M9 x 1.25mm), (M10 x 1.5mm), (M12 x 1.75mm); Adjustable tap wrench handle length 19.1 cm(7.52""),for M3 to M12 (1/16"" to 1/2"" ), die wrench handle length 20.4cm(8.03""),for M25 (1”).Comes with a quality box, convinient for storage and carrying.
▲Wide application: precisely correct or repair damaged threading, or create internal and external threading holes on wood, brass, copper, aluminum, iron, carbon steel, and etc.
▲Perfect threading manufacturing process and good surface heattreatment: teeth of the tools are precisely CNC machined and qualified surface heat treatment to Rockwell hardness 60 HRC for best threading performance