| 摘要 |
A construction layout marking device includes a reel housing that uses a reel case to rotatably support a reel hub. A pair of spaced, parallel measuring tapes are secured, at inner ends, to the reel hub and can be coiled inside the reel case by rotation of the reel hub. A plurality of marking templates are attached to the spaced measuring tapes, at specified intervals. These marking templates can impart a line pattern to a surface above which they are placed by deployment out of the reel case. The line patterns are usable to position construction elements such as wall studs. The measuring tapes and their attached marking templates can be wound back into the reel case of the reel housing after use.
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