FSK MS summing card CS-JXH-04A signal trim summing card fits into very tight areas very compact. You can use these in FSK livestock scale ABS boxes or the MS-520 scale kit boxes again plastic box models. You able to retrofit any summing box with adhesive at the bottom of the card to make sure circuit does not short on it.

This is for 4 load cell signal trim with crew down terminal blocks. each load cell has a 10 turn pot. on them for cornering adjustment after installation and before calibration. Size 3.75" long and Width 1.37" inch, Height is 0.75" from the bottom of the board to the top of the terminal blocks. has two slots for mounting holes. But Velcro would do in any box.