This is the Blade 350 QX2 AP Tall Landing Gear Set with Hardware (Gray). This also works to lift the standard 350 QX further off the ground. The stock landing gear on the 350 QX holds the lowest part of the body (with no camera mount attached) 3-3/8 inch (86mm) off the ground. This tall landing gear will raise it 2 inches further (137mm).
This is the Blade 350 QX3 White Tall Landing Gear Set. These provide the required ground clearance when adding a camera and gimbal set to the Blade 350 QX3. This is also the stock replacement...