| 摘要 |
A hand pointing tool (unit A), includes the two flat sheeted sides (1) folded to create a guide (2), with end plates (4) connected at either end to complete the trough section, and a handle (3) connected to one side for means of holding, positioning and stabilising the tool. An adjustable version of the tool includes a slot (10, fig 7) through the end cover plates (4), allowing a nut and bolt to be tightened against the cover plates (4) once the desired guide width has been set. |
