Color:

Single Row 1 layer Black [4 pipe reinforcement per layer]]

Single Row 2 layers black [4 pipes reinforcement per layer]]

Single row 3 layers black [4 pipes reinforcement per layer]]

Single row 4 layers black [4 pipes reinforcement per layer]]

Single row 5 layers black [4 pipes reinforcement per layer]]

Single Row 6 layers black [4 pipes reinforcement per layer]]

Single-row 7-layer Black [4-tube reinforcement per layer]]

Single row 8 layers black [4 pipes reinforcement per layer]]

Single row 10 layers black [4 pipes reinforcement per layer]]

Double Row 4 layers black [4 tubes reinforcement on each layer]]

Double Row 5 layers black [4 tubes reinforcement per layer]]

Double Row 6 layers black [4 tubes reinforcement per layer]]

Double Row 7 layers black [4 tubes reinforcement per layer]]

Double Row 8-layer Black [4 tubes per layer reinforcement]]

Three columns and four layers of black [4 tubes reinforcement on each layer]]

Three columns and five layers of black [4 pipes reinforcement on each layer]]

Three columns, 6 layers, Black [4 pipes reinforcement on each layer]]

Three columns, 7 Layers, Black [4 pipes reinforcement on each layer]]

Three columns and 8 layers of black [4 tubes reinforcement on each layer]]

Four rows, 4 layers, Black [4 pipes reinforcement on each layer]]

Four columns, 5 layers, Black [4 pipes reinforcement on each layer]]

Four columns, 6 layers, Black [4 tubes per layer reinforcement]]

Four columns, 7 Layers, Black [4 pipes reinforcement on each layer]]

Four columns, 8 layers, Black [4 tubes per layer reinforcement]]