Brother Sewing Machine Extension Table WT10 for Innov-is XJ‚ XE‚ XV and V SeriesBrother Sewing Machine Extension Table. Model no. WT10. The underside of the table includes built in storage for the knee lifter that is included with your machine or for the optional adjustable knee lifter A printed ruler on the front of the table helps with last minute measurements The four table legs are easily adjustable for varying heights Compatible with Brother Innov is XJ XE XV and V Series sewing machines.