K2 sheet metal seam clamp for sheet metal roof coverings Klip-Lok 700 Hi-strength® and Klip-Lok Optima® 700 (Lysaght T) KingKlip® 700 (Fielders®) Klip-Lok® 406 (Lysaght T). With direct connection option for K2 module clamps. Material: aluminum EN AW 6063-T66