Useful Bits Accessories:we equip 8 different size of drill bits(,,,,,,,,They made of Ti-plated high-speed steel, much harder and more durable. Great Gift: the resin drill kit special design for DIY jewelry arts craftsand model builder ,such as epoxy resin jewelry, keychain,necklace, earrings,anklet, bracelets ,wood slice, acrylic, plastic, aluminum, coins, etc. ).
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