The Model 101 stainless steel ratchet arm features a non-replaceable gar, stainless handle plates and ratchet components, and a plastic spacer. The construction is suited for applications in wet, corrosive and outdoor environments. The ratchet arm is designed for permanent mounting on shafts or studs and can perform various adjustments including cross feed, rise and fall, gib and quill, positioning screw, or clamping.