Grivel Air Tech Light Crampon's Hiking & Backpacking These fuel bottles are designed These fuel bottles are designed specifically to accept the threads on MSR fuel pumps and to easily handle the pressurization you need to efficiently operate our liquid fuel stoves concave platform to give additional grip to the 8 replaceable hex traction pins per side Tough nylon composite platform with improved grip contact points molded into body along axle line 8 bottom loading hex traction pins per side Better tolerance fit for pedal pin nuts in body to eliminate any risk of stripping when removing old pins Fully sealed Its strong points are lightness and stability Activities: glacier walking ski touring