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$)
7 e  t* X6 g; |# @% u

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2 K% R, X6 \  ~" B! k
红旗网上还挺hot的，好像只能打磨吧，还有什么功能？谢谢！