CK Boring Shank Reducer Extension CK4-1-58CK Boring Shank Reducer Extension CK4-1-58SKU: CK4-1-58$120.00PriceOut of StockCK TypeCK4-1-58mmDimension D1 (Big Side ID)11Dimension D2 (Big Side OD)19Dimension d1 (Small Side OD)22Dimension d2 (Flange OD)39Dimension L (Total Length)58