The Onyx Free from SPRO features an oversized aluminum drag knob and an oversized handle and spool that combine to create a great looking reel. The internal components are of high quality, which makes long-term use possible under the most diverse conditions. 3+1 Ball bearings + 1 needle bearing, One-way clutch anti-reverse system, Graphite body and rotor, Aluminum spool, Aluminum handle, S-Curve spool mechanism, Steel main shaft, Precisely adjustable drag system, Quick drag drag system, Precisely adjustable freewheel function .