At less than 6 grams per stake, this full-strength tent stake from MSR is the lightest on the market.?. . . Carbon fiber core for strength and rigidity; 7000-series aluminum covering for durability. Length: 6 in. (15 cm). Weight: less than 6 g per stake (5.5 g; 0.19 oz.). Sold as a kit of 4 stakes. Weight: 5.5 g (0.19 oz.) per stake. . . ?. . WARNING Reproductive Harm - P65Warnings.ca.gov