内有20个大力钩(数量可由客户自定)和一台激光水平仪.1.Grip hook using your thumb and forefinger.Firmly push pointed end into desired spot on wall.2.Gently turn hook from side to side untill it penetrates wall.3.Push all the way in until only hook on the end protrodes.以上是大力神钩/激光水平仪的详细信息，如果您对大力神钩/激光水平仪的价格、厂家、型号、图片有什么疑问，请联系我们获取大力神钩/激光水平仪的新信息。