38mm Loki Convolute wound XX Grade Phenolilc Liner and Casting Tube - Casting tube ID is 1.212".
These heavy duty liner tubes stand up to heat far better than spiral kraft phenolic liners and are a step above the LE and X grades. 38mm liners will primarily fit Loki Research motors. 38mm Liners will not fit Kosdon, Ellis Mountain, AMW or Gorilla.