[Use] micro grinder tool tip (bit). Processing metal, glass, ceramic, plastic. Set five GC grindstone [function, characteristic] deals. I used to work metal, glass, ceramic, plastic, etc.. It is also ideal for processing or machining gate etching processing of parts. (Small) x1, trapezoidal x1, bullet-shaped x1, flat type x1 (small) x1, trapezoidal shell type: line.
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