The Cressi Mako Spear head with 5/16th thread makes for a strong reliable 2 barb harpoon style head which works perfectly in conjunction with the threaded extension. The double barb setup Is often preferred when hunting in and around reef and is easily removed if need be.

Features:

• Available in 6" and 8"
• 6 Prongs
• Stainless steel construction
• Quick and easy to install/replace
• 5/16th thread
• Strong reliable 2 barb harpoon style head