7mm Euro Threaded Shafts 17-4 Stainless Steel Euro Shark Fins 75cm to 180cm Thread Shaft With M7x1 Thread for Spearfishing

This products was using fishing only .

Parameters:

Thread:M7
Weight: 400g,
Length: 75cm,80cm,85cm,90cm,95cm, 100cm,105cm,110cm,115cm,120cm,125cm,130cm,135cm,140cm,145cm,150cm,155cm, 160cm,165cm, 170cm,175cm 180cm  
Diameter: 7mm,
Styple : European style
1.Laser welding of fish fins
2.European spacing
3.This shaft made by very special stainless steel .It was Heat treated stainless steel ,it is very hard , the hardness is achive
45,Not easily bent or out of shape. It can use for many times .