Ridgid 61470 Replacement Plug, Rubber KM11 for the 1215 Threading Machine NPT 115V918-I Integral Roll Groover 115V, K-1250 Water Jetter, K-1500 A&B Drain Cleaning Machine, K-1750 Water Jetter, K-2100 Water Jetter, K-2200 Water Jetter, K-3000 Water Jetter, K-75 Drain Cleaning Machine, K-750 Drain Cleaning Machine and K-75A Drain Cleaning Machine