一，使用方法：
1、 Usage:
1、 用扳手內套筒完全插進螺栓尾部梅花頭部分，同時向前推動扳手，內套筒后退，使外套筒完全套住螺母，若不能完全套住螺母請左右轉動扳手并向前用力。
1. Insert the inner sleeve of the wrench fully into the box head at the end of the bolt, push the wrench forward at the same time, and the inner sleeve moves backward to make the outer sleeve completely cover the nut. If the nut cannot be completely covered, turn the wrench left and right and force forward.
2、 扣動扳手開關，使其旋轉。
2. Turn the wrench switch to rotate it.
3、 擰斷梅花頭，緊固結束，同時扣動板機彈出梅花頭。
3. Screw off the quincunx head, tighten it, and pull the trigger to eject the quincunx head.
二，套筒更換：
2、 Sleeve replacement:
1、 把扳手護罩擰下來，把外套筒、內套筒及內套筒彈簧取出。
1. Unscrew the wrench cover, and take out the outer sleeve, inner sleeve and inner sleeve spring.
2、 先裝上內套筒的彈簧及所換內套筒，然后裝上相應的外套筒，前殼體凸起部與外套筒凹下部相連接，并把護罩擰上
2. First install the spring of the inner sleeve and the replaced inner sleeve, and then install the corresponding outer sleeve. The convex part of the front housing is connected with the concave part of the outer sleeve, and screw on the shield
