| 摘要 |
A hole alignment device for aligning holes to be drilled in a joist. The hole alignment device includes a laser light emitter device. The laser emitter includes a first end, a second end and a peripheral wall extending therebetween. In an embodiment the laser emitter emits a laser light from the first end. The invention also includes a mounting member for removably mounting the laser emitter in the hole of a joist. The mounting member includes a first end, a second end and a peripheral wall extending therebetween. The first end includes a hole extending therein and extending through the second end. The laser emitter includes a size designed for removably positioning in the hole of the mounting member.
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