Used for top of wall finish. The Top Block has a recess at the top of the face to allow for for landscape finish directly up to the face of the block. 
Block Weight: 840 lbs / 380 kg
Concrete Volume: .21 CY / .16 m3
Aggregate Infill: .16 CY / 0.12 m3
(per face area):  0.07 ton/sf  | 700 kg/ m2