Civivi Synergy4 Blk G10 ( 3.94" Nito-V) C21018A-1 Civivi Synergy4 (C21018A-1) 3.94" Nitro-V Black Trailing Point Plain Blade, Black G-10 Handle The Synergy4 is the perfect addition to any folding knife collection. This larger version of the CIVIVI Synergy3 features the same sleek design and smooth... $114.99 $97.99 Choose Options Compare