• Stronger.
• Faster and easier to install.
• Faster and easier to remove.
• Just drill them out using the same size bit used for installation. Compare to removing a screw welded to the surrounding metal by corrosion.
• Will not loosen over time.
• Tamper resistant.
• No sharp points inside the spar to chafe internal halyards or outhaul.
• Best of all they are installed blind. No nut required. No interior access required. Perfect for installing hardware to your mast or boom.