KEIBA products are made from 2 types of special Marutoloy steel, CR-V70C Chrome-Vanadium Steel and SK7MF2 High Carbon Tool Steel.
Marutoloy steel is a high-quality material made by Kobe Steel, a large steel stock manufacturer. It contains more carbon than an average steel. Due to this material, KEIBA is able to produce tools which are tougher and sharper.

However, the harder steel becomes the more brittle it also becomes. It is necessary to have the facility, technology and the skill to harden steel, yet to also regain ductility at the same time.
After forging the Marutoloy steel with large-sized air stamp hammers, the material undergoes a heat treatment process (annealing) to refine the molecular structure of the material. The Marutoloy steel is placed in a furnace for 14 hours. With this process, KEIBA is able to produce high quality Marutoloy steel which is tough yet also viscous for the required needs. Due to the high cost and the need for numerous pieces of equipment, there are many manufacturers that do not perform this annealing process. With manufacturers that do anneal their steel, commonly a conveyor belt system is used with only 4 to 5 hours of heat treatment to keep costs down.
In addition to this, KEIBA has their own original treatment facilities and diligently performs the quenching and tempering processes (heat-application processes that adjust the hardness of the products) to bring out the best characteristics and strength of the steel.

With these extra efforts and processes KEIBA is able to manufacture products which are very tough yet not brittle. The extra time and effort that is spent leads to quality products which are durable and wear resistant.

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