请教这个东西有必要买吗？Costco - DREMEL 300 series kit with 24 pieces

bigbowl

Costco - DREMEL 300 series kit with 24 pieces :: 34.99$ (usually ~90$)


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' H& p& B0 j1 e3 u" l6 _/ K4 ^红旗网上还挺hot的，好像只能打磨吧，还有什么功能？谢谢！