CK Boring Shank Reducer Extension CK3-1-41CK Boring Shank Reducer Extension CK3-1-41SKU: CK3-1-41$95.00PriceOut of StockCK TypeCK3-1-41mmDimension D1 (Big Side ID)11Dimension D2 (Big Side OD)19Dimension d1 (Small Side OD)18Dimension d2 (Flange OD)31Dimension L (Total Length)41