Redforcorners of cello. Opening 60 - 160 mm. The fiber-reinforced plastic clamping pads yield a lightweight yet nevertheless very sturdy clamp. The pads feature additional flexible polyurethane inserts to prevent marring of the surace of the wood and varnish coat. The spindle is partially encased in silicon tubing to further protect the edges of the instrument. Also well-suited for assembling and restoring guitars.