The neck closure has a significant design improvement that reduces water ingress at this critical point

aluminum and stainless steel backplate - standard or small size

Its unique strength properties will satisfy even the most demanding cave and wreck divers

Maximum dive depth alarm FREE (APNEA) PROGRAM

Halcyon Defender Pro spool - Easy Grip Storlek:30 The neck closure has aMade of nearly indestructible Delrin, the defender pro spools are a must have in your guide line arsenal. The optional Easy Grip provides great handling even with thick dry gloves. You can use it in free spin or in a fully locked position when you don't want the line to feed automatically. This can easily be detached if you want only the spool. Available in 100, 150 and 200 lengths (30m, 45m, 60m).