12SCH278 TB Wood's SURE-FLEX Type H Hub For Spacer 12SC-H X 2-7/8
SF Hub
TB Woods SURE-FLEX Coupling Guide
TB Woods SURE-FLEX Coupling Installation Instructions
12SCH278 TB Wood's SURE-FLEX Type H Hub For Spacer 12SC-H X 2-7/8
SF Hub
TB Woods SURE-FLEX Coupling Guide
TB Woods SURE-FLEX Coupling Installation Instructions