The characteristics of Olai engraving knife are mainly reflected in the following aspects:

1. Excellent material: Ole lettering knives are usually made of high-quality materials, such as high carbon steel or cemented carbide, which have excellent hardness and wear resistance, ensuring that the lettering knife remains sharp during long-term use and is not easy to wear.
2. Exquisite design: The design of Aolai engraving knife focuses on practicality and comfort, and the knife body design is reasonable, easy to hold and operate. At the same time, its unique blade design can ensure the stability and accuracy of the engraving process, so that the engraved writing is clear and beautiful.
3. Wide range of application: Ole lettering knife is suitable for a variety of materials, such as wood, plastic, metal, etc., to meet the needs of different occasions and needs of lettering.
4. Strong durability: Due to the use of high-quality materials and fine process manufacturing, Ole lettering knife has excellent durability, can withstand long-term use and wear, maintain long-term performance.

In general, Olai lettering knife has been widely praised by users for its excellent quality, exquisite design and wide applicability.