Sandvik Coromant Threaded Ring, Round, Tool Holder Compatibility: C10-390.540-50 140 BIG-PLUS ISO to Coromant Capto® Adapter, C10-390B.558-50 140 BIG-PLUS MAS-BT to Coromant Capto® Adapter, C10-390B.140-50 140 ISO 7388-1 to Coromant Capto® Adapter, C10-390B.58-50 140 MAS-BT 403 to Coromant Capto® Adapter and C10-A390.44-50 140 CAT-V to Coromant Capto® Adapter