'K' Cam Cleats - MaxiManufactured from a composite Kevlar/Zytal material. This advanced material offers performance advantages over carbon fiber and conventional glass-reinforced resins; 'K' cams are very strong, lightweight and have excellent wear-resistance. A progressive tooth design ensures maximum holding power on all types of line, whilst maintaining minimum wear to both cam and line.'K' Cam MaxiMax Line : 10mm - 14mm(0.4 - 0.55)Fastenings : 5mm (0.20)Fastenings Center: 50mm (1.97)Holding Power: 260kg (573.20lbs)Weight: 50kg (110.23lbs)