| 摘要 |
PROBLEM TO BE SOLVED: To provide a convenient upper surface indication tool.SOLUTION: An upper surface indication tool includes: a rod-like pile member that has a slender hole coaxially formed toward a tip from a base end; a rod-like member that is accommodated in the hole in such a manner as to be capable of being taken into/out of the hole through the base end; and a setting member for setting the length of pulling out the rod-like member from the base end. The rod-like member has an upper surface indication member provided at an end exposed from the hole. |
