Adjustable Jack Post for supporting structural beams / joists. <table border="1" width="320"> <tbody> <tr> <td style="text-align: center;" width="80"><strong>Day:</strong></td> <td style="text-align: center;" width="80"><strong>Weekend:</strong></td> <td style="text-align: center;" width="80"><strong> Week:</strong></td> <td style="text-align: center;" width="80"><strong>Month:</strong></td> </tr> <tr> <td style="text-align: center;" width="80">10$</td> <td style="text-align: center;" width="80">15$</td> <td style="text-align: center;" width="80">40$</td> <td style="text-align: center;" width="80">120$</td> </tr> </tbody> </table>