BenchBlokz 1/2 & 1 BoardsBenchBlokz "1 2 board, 1 board" offers the lifter as little as a . 75" up to a 3" thick board. Working through a shoulder injury? This product prevents the elbows from going below parallel to the bench which greatly reduces unnecessary shoulder rotation. An excellent tool to add to your rehabilitation arsenal! BENEFITS OF BENCHBLOKZ Easier method of bench press, board press for lone users Safer method of bench press, board press More efficient method