65255 Model Code: AA (part# 65255) This item features: -All threaders sets use same 12-R dies in die head. -Price is for 1 Each. Model Code Model Description AACapacity:1/2 in (BSPT) [Min], 2 in (BSPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly ABCapacity:1/2 in (NPT) [Min], 1 1/4 in (NPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly ACCapacity:1/2 in (NPT) [Min], 1 in (NPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly ADCapacity:1/2 in (NPT) [Min], 2 in (NPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly, Carrying Case AECapacity:1/8 in (NPT) [Min], 1 in (NPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly, Carrying Case AFCapacity:1/8 in (NPT) [Min], 2 in (NPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly AGCapacity:3/8 in (NPT) [Min], 1 in (NPT) [Max], Includes:Die Heads, Alloy Dies, Ratchet Assembly