Brick With Knobs H1 1x1 (1 sides - 1 Knobs)
Brick With Knobs H1 1x1 (2 sides - 2 Knobs)
Brick With Knobs H1 1x1 (4 sides - 4 Knobs)
Brick With Knobs H1 1x1 (Corner - 2 Knobs)
Brick With Knobs H1 1x2 (1 side - 2 Knobs)
Brick With Knobs H1 1x2 (1 sides - 1 Knobs)
Brick With Knobs H1 1x2 (2 sides - 4 Knobs)
Brick With Knobs H1 1x4 (1 side - 4 Knobs)
Brick With Knobs H2 1x2 (1 sides - 2 Knobs)
Brick With Knobs H2 2x2 (1 side - 4 Knobs)