Matrix Type.

常用 2 x 4 /  2 x 6 / 2x8 /

EMRS-2x4-50-01A-T
EMRS-2x6-50-01A
EMRS-2x6-50-01A-T
EMRS-2x8-50-01A
EMRS-2x8-50-01A-T