Specifications
*Fits most standard machines up to 17-1/2" w x 7-3/8" d

Overall Cabinet Dimensions: 40" w x 19-3/4" d x 28-1/2" h

When Selecting an optional custom Sew Steady insert, select the insert size: 9-1/4” x 17-1/4" (with lip)

Arrives fully assembled in 1 box weighing 35 lbs

Video on comparable sewing table for inserts.
Is the machine platform height adjustable?
Yes, there are four wingnuts, one for each corner of the platform, underneath the bottom of the table. These can be screwed in more to bring the level up, or unscrewed to bring it down.