Easy basket change thanks to the screw system allows you to easily adapt to different cross-country trails or to change winter tips for the summer ones more suitable for asphalt. The Leki FIN VARIO SET includes one pair of winter baskets with a size S/M, one pair of winter baskets with a size M/L, one pair of summer Roller Tip baskets, two pairs of tips in both sizes, and a glue to attach the tips. These will allow you to convert any standard Leki running poles with a glued basket into a screw ones.