Die Head Post, Compatible Grainger Part Number 25XC43, 4Z974, Compatible Threader Manufacturer Part Number 10491, 23282, 23297, 41032, 41037, 41042, 41047, 41057, 41062, 41067, 41072, 97045, 97050, 97065, 97070, Compatible Threader Series 531, 811A, Product Type Die Head Post, Fits Brand Ridgid. This item has been restricted from sale in the following state (s): []