Carmex Round Shank Holder Through Coolant - For Carbide T10 Indexable Inserts - 12mm Shank x 55mm ReachThe Carmex Round Shank Holder Through Coolant is a precision tool holder designed for carbide T10 indexable inserts. With a 12 mm round shank and a 55 mm reach, it delivers steady performance in through coolant milling applications. Through Coolant design: Enables coolant delivery through the holder to the cutting edge for effective cooling and chip evacuation. 12 mm round shank: Robust, standard shank size that fits a wide range of tooling setups. 55