1/0 acsr 165 mil insulated tree wire stripping head for Taihan, Southwire and Hendrix brand products. Inside diameter is machined for tight tolerance fit to ensure minimal blade adjustment and excellent strip every time. These thread onto out 24 or 6 inch tubes. Comes in either red or yellow

This head also works on 2/0 str copper. 

Wire OD  0.398" cable OD .730" (southwire) wire OD can vary up to .050" of an inch.