K2 Systems SpeedClip - Simple and quick installation with the K2 SpeedRail installation system for trapezoidal sheet roofs made of aluminum and steel. Simple and extremely quick installation from above with K2 SpeedClip and K2 SpeedLock, system rails K2 SpeedRail 22, K2 SpeedRail 36, very attractive price/performance ratio, can also be installed in a cross connection (e.g. with K2 CrossRail), general building approval, CSTB validation for France, high flexibility - for all module types, modular construction enables any system size, delivered without screws. 2 pieces of 6x38 mm hexagon screws (item no. 425143) are required for each SpeedClip.