Power Threading/811A 1/8 in - 2 in DieHead Quick-Opening RH Ridgid Power Thre...Power Threading/811A 1/8 in - 2 in Die Head Quick-Opening RH Ridgid Power Threading Die Heads for 2 Threading Machines Bolt Cap. [Max]: 2 in Pipe Cap. [Max]: 2 in Bolt Cap. [Min]: 1/4 in Type: 811A Multi-Size Die Head; Quick Opening Wt.: 12.5 lb...more