Lock Screw, Compatible Grainger Part Number 25XC43, 4Z974, Compatible Mfr. Model No. 10491, 23282, 23297, 97065, 97070, Compatible Threader Series 531, 811A, 815, Product Type Lock Screw, Fits Brand Ridgid, For Use With 1210 Pipe Threading Machine, 713 and 913 Quick-Opening Die Heads, Impact Rated No. This item has been restricted from sale in the following state (s): []