OEM Replacement shafts for JBL Carbine Series spearguns. 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″ diameter with slide ring stop and 1 – 2 rest notches (depending on model) for use with bands that have metal wishbones. Available with 6mm threads or point, 1.5″ standard flopper and 6mm thread combination (varies by model).