LP Jam Block High Pitched, Blue.Jam blocks take on the fragile old wooden blocks and are built out of a patented virtually indestructible plastic material. They are a must have in your bag if you need to add percussion to your sound.Features:Blue in colourHigh pitchExclusive plastic Jenigor formulationBuilt to take even the hardest hitting playersHeavy duty mounting bracketLP eye-bolt assembly to any 3/8 diameter rod