16949-S-LP 8" x 16" Smooth Block 1/2 Running Bond Block / Tool Joint Finger Joint FitzLok® Styrene - Single use. Block Size: 15.625"W x 7.625"H Max Depth: 0.25" Mortar Joints: 0.375" Horizontal 0.375" Vertical Part Size: 104.375"W x 48.375"H Part Coverage: 96"W x 48"H (32 ft²) Click here for cut-sheet