The C2 decking screw comes with a double countersunk head and a double slash point for rapid pick-up. The organic green coating is able to with stand 1000 hour of salt spray testing and the T20 recess provides great fit and drive. Twin Cut for rapid "pick-up" and reduced splitting.
The solo decking screw -Economical softwood Decking Screws with a double countersunk head and a Pozi 2 recess. They have an organic green plating able to withstand 500 hours of salt spray testing and a sharp point for easy penetration combining high clamping results.