This red LP Jam Block produces a reliable medium-pitched sound. Crafted from the indestructible material Jenigor, LP Jam Blocks produce rich, cutting tone and are built to last a lifetime. A heavy duty mounting bracket that fits 3/8" diameter rods is included. https://www.lpmusic.com/products/bells-and-blocks/cowbells-and-agogo-bells/jam-block-w-brack-med-pitch | Latin Percussion

For Jam Band Improvisation, Which Sounds Better? Playing scale boxes OR Playing over the changes | JamPlay