8.5mm Speargun shaft Shark Fin Spear Shaft 100cm To 200cm Spearfishing Harpoon 17-4PH Stainless Steel Diving Fishgun Speargun Shafts

8.5mm Speargun Shaft Shark Fin Spear Shaft 100cm To 200cm Spearfishing Harpoon 17-4PH Stainless Steel Diving Fishgun Speargun Shafts

Parameters:
Weight: 400g,
Length:100cm,110cm,120cm,130cm,140cm,150cm,160cm,170cm,180cm,190cm,200cm.
Diameter: 8.5mm,
Style : 4 shark fins( 3 shark fins + 1 rest tab) with 1.2mm thick 85mm length flopper

Laser welding of shark fins,

60 degree barb,

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 .

The shaft is made of 17-4PH stainless steel, which has magnetism due to heat treatment. This is normal. 17-4PH stainless steel has high hardness, corrosion resistance, and will not rust in seawater.Relevant information can be mentioned in Google or other relevant professional papers.It canbe testin seawater to see if there is any rusting issue

(The size of the slingshot is manually measured, with slight errors+-3cm, please refer to the actual product.)

Packing list:Package A: 1*shaft

we have two kinds of tip (round tip and tri cut tip.) . Because of the requirements of inventory and delivery timeliness, we will randomly send round tip and tri cut tip. The picture is as follow