When the climbing skin inserts on your Fischer Speedmax or Carbon Twin Skin skis wear out, grab a hair dryer and a pair of pliers and with this replacement skin kit you&';ll be back kickin&'; and glidin&'; in no time. Pre-glued, and pre-cut to fit specific ski lengths. 100% Mohair for the best glide 41mm to fit ski lengths 197, 202, and 207 cm 37mm to fit ski lengths of 187 or 192cm Pre-glued