Penn Spinfisher SS Metal Reels features include: Full metal body and sideplate keep precise gear alignment under heavy loads, Machined and anodized aluminum spool, Machine-cut alloy main gear, Stainless steel main shaft, HT-100TM drag washers provide smooth drag under heavy loads, 5 shielded stainless steel ball bearings, Inifinite anti-reverse, Techno-balanced roto gives smooth retrieves, Penn Leveline wrap system, Machined and anodized aluminum handle with soft touch knob, and Oversized ergonomic power knob on 850SSm & 950SSm.