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In this year full of hi-tech gadget, even bolt can be smarter. This bolt equipped with a tiny indicator disk on the top which can show you how tight it is. The tighter the bolt is, the dark the indicator. [Read the rest of this entry...]

This is a smart design. It can turn your finger into a socket. Just use the appropriate one for nuts and bolts; you can finish your job perfectly. It is pretty useful when the nut is in some inconvenient positions. [Read the rest of this entry...]