Size:400 Grit Improve work efficiency on materials with strong longitude. Provide excellent flexibility for finishing and polishing various materials. Diamonds offers durable and long lasting use. Do not apply over force. Company intro Insung Diamond was founded in 1985. After its foundation, it has been manufacturing various type of architectural and industrial tools. We also have been producing precise processing tools for more than 30 years. We also produce electrodepositioning tools, cutting tools, and resin tools based on electrodepositioning. We always put our best efforts in producing these core technologies.
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