IRWIN Record 136/5 T Bar Clamp is a robust clamp for heavy-duty work which offers the facility of permanent fixing to a workbench. T-bar section in cold drawn steel gives extra strength and resistance to bending. Extra long head with machined slides is extremely durable.IRWIN Record 136/11 T Bar Clamp 210cm (84 in). Bar Length: 2100mm (84 in).Capacity: 1950mm (78 in).