Videos Fishing Tip – Mercury Spitfire X7 Prop S12E05 May 6, 2016December 10, 2017 The Next Bite Keith Kavajecz, Mercury, Mercury Spitfire Prop X7, Videos Keith Kavajecz puts the new Mercury Spitfire X7 motor prop to the test. Other Related Posts: Mercury Prop Choices Showing off the New Berkley Hit Stick Mercury Pro XS Overview and Highlights The Reason behind the NEW Berkley Fire Tail Colors