300mm x 300mm x 7mm Double Density Solid Aluminum Breadboard

300mm x 300mm x 7mm Double Density Solid Aluminum Optical Breadboard, Black Anodized. Each aluminum breadboard has M6 tapped holes on (2) 25 mm grids, off set by 12.5mm. Include 5 countersink mounting holes for rigid and single post mounting. Base Lab Tools slim design aluminum breadboards are ideal in applications with strict space & weight restrictions.