Novel spanner

The utility model relates to a novel spanner, the electric iron comprises a handle, the handle lower extreme is equipped with the fixed plate, the fixed plate lower extreme is equipped with the frame, the upper end is equipped with first spring in the frame, first spring lower extreme is equipped with the backup pad, the backup pad lower extreme is equipped with first sleeve and spring, the spring is in first telescopic both sides, first sleeve lower extreme is equipped with the second sleeve, second sleeve lower extreme is equipped with the third sleeve. The utility model discloses a set up the handle, extra-high-speed availability factor greatly when using makes the screw of backing out that the user relaxed, through setting up first sleeve, second sleeve and third sleeve to can adapt to the nut of different models, need not change the spanner and just can back out it and simple structure, convenient operation, economical and practical