8"x 8" Stacked CMU Block 8" x 8" Stacked Block / Tool Joint Fitzlok Styrene - Single use. Max Depth: 0.25" Block Size: 7.625" W x 7.625" H Part Size: 93.375"W x 48.375"H Part Coverage: 96"W x 48"H (32 ft²) Mortar Joints: 0.375" Horizontal 0.375" Vertical Click here for cut-sheet