Monteverde Wood Mega Rollerball Front Section The Monteverde Mega Wood Rollerball Front Section is the replacement refill for your limited edition Mega Wood Fountain Pen. Monteverde only produced 300 pieces of the attractive limited edition pen and this front section allows you to use the Mega Wood as a rollerball pen for convenience without sacrificing any of its elegance and beauty. Consider stocking up today to have extras on hand.