Steel Dragon Tools 47765 1/2"-3/4" HSS RH NPT Pipe Dies fits RIDGID 811A 815A,Steel Dragon Tools" /> Pipe Capacity: 1/2 in. to 3/4 in. Fits RIDGID Die Heads: 504A, 711, 713, 811A, 815A, 816, 817, 842 Fit Steel Dragon Tools Die Heads: 811A, 815A Made from high-speed steel. Fits RIDGID Part Number: 47770