Copter leg, tricopter, quadcopter, etc.
Copter leg. Flexes a bit to absorb shocks. Holes fit 3/32" (2.4 mm) zip ties. Leg weight in PLA is less than .5 oz. (14 grams). Legs are about 13/32" (10 mm) wide.
Originally designed to work with copters designed by David Windestål of http://rcexplorer.se, but should work well with other designs.