Jam Blocks are the modern versions of the age old woodblocks that do not hold up to the rigors of contemporary playing applications. Crafted from Jenigor, LP's exclusive plastic formulation, these blocks are designed withstand even the hardest hitting players. Each Patented LP Jam Block comes with a heavy duty mounting bracket and LP's famous mounting eye-bolt assembly for easy mounting to any 3/8" diameter rod. Blue-High Pitch ; Model: LP-1205 Pitch: High Color: BlueLP Jam Blocks and their patented design turned the fragile, age-old wood block into a virtually indestructible modern instrument, useful for any musical situation. Crafted from Jenigor, LP's exclusive plastic formulation, they have the strength and durability to withstand even the hardest-hitting players. A heavy-duty mounting bracket and LP eye-bolt assembly are included and can mount to any stand with a 3/8" diameter rod.