Ridgid 65970 Hand Ratchet Threader Die Head Complete, 12R 3/4-Inch BSPT 65970 Diehead, Cmpl 12R 3/4 Bspt This item is used for Hand tools & Tool Organizers ,Multitools This product manufacture by United States Alloy Dies: recommended for threading regular steel pipes 12-R Die Heads also suitable for use with 700 power drives BSPT = British Standard Pipe Taper Nominal Pipe Size: 3/4-Inch Minimize Threading Time