Siemens model 9820 077F. Used. Several pieces available, as pictured, some are dirty. Weight: 78 lbs. Margins: .5 x .5 x .5 x 1.5 in, x .25 thick. Base: 9 in. w x 7.5 in. l. Body: 7 in. w x 6.5 in. l x 2.25 in. h. Holes are 1.25 in from sides along the narrow dimension. Holes are 1.5 in from sides along the long dimension.