SYMPOSIUM® Rollerblock Upgrades
Symposium offers, whenever possible, upgrade of its existing or prior models to current standards. Please select any of the upgrades to the Rollerblock series below for further details.

Series 1 to Series 2+ Upgrade
Upgrade original Series 1 Rollerblocks to current Series 2+
brings original Rollerblocks to Series 2+ standards

Standard Tungsten Carbide Upgrade
Improves performance over standard chromium steel (supplied) balls
recommended for most systems

The Grade 3 Superball Upgrade
Brings Rollerblock performance to an entirely new level!
the ultimate state of the art