Bearing Type:Uni Pivot Internal Wire:Nordost Reference Wire Pivot to spindle:300mm Effective length:313.0mm Effective mass:12.5g Overhang:13mm Offset angle:17.37 degrees Average RMS distortion:0.267% Material:3D Technology Consisting of but not limited to Epoxy resin and Delrin materials, steel, copper, and aluminum Product Notes:Adjustable Counterweight, Azimuth side weights, VTA, and Limo Connection.