Internal Thread Repair Kit, 5/16" to 1 1/4", 4-Piece, NES1008
MPN: NES1008. Part Number: NES1008. Item model number: NES1008. NES 4-piece thread repair set for internal thread use includes 4 internal tools including the Nes 21, Nes 22, Nes 23 and Nes 24. The Nes 21 has a working capacity from 5/16 in.