Ridgid 65985 Hand Ratchet Threader Die Head Complete, 12R 1-1/2-Inch BSPT 65985 Diehead, Cmpl 12R 1-1/2 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: 1-1/2-Inch Minimize Threading Time