Barton Marine 'K' Cam Cleat Maxi 70 300. This advanced material offers performance advantages over carbon fiber and conventional glass-reinforced resins; 'K' cams are solid lightweight and have excellent wear resistance. A progressive tooth design ensures maximum holding power on all types of lines while maintaining minimum wear to both cam and line. Package Contents: Barton Marine Kevlar Cam Cleat Barton Marine 70 300: 'K' Cam Cleat Maxi