OEM Replacement shafts for JBL Woody Magnum Series spearguns featuring the M8 trigger mechanism. These spearshafts feature slide ring stops and notches to be used with bands that have metal wishbones. Each 17-4 stainless steel shaft is hand straightened, tuned, and heat treated. The result is maximum accuracy and hardness. Available in 9/32, 5/16, and 3/8″ diameter with slide ring stop and 2 – 3 rest notches (depending on model) for use with bands that have metal wishbones. Available with 6mm threads.