The Tetris line of holds requires a custom bolt pattern. This pattern will not match any existing T-nut patterns. The incut on this hold is 1" deep and is present around the entire outside edge of the hold.
Each Tetris Block measures 5". The stand-off piece behind the face, is 1" thick and the face is 1" thick. The hold stands off the wall 2".
Tetris Block #2 is 3 connected blocks.
Tetris Block #2 face measures 10" wide x 10 tall".
Tetris Block #2 stands off the wall 2".