JMT White Plastic Landing Skid Set (One Hole) Undercarriage As H45050 Landing Gear,trex 450 PRO Rc Helicopter White Plastic Landing Skid Set uantity: 1set FOR: Align T-REX 450 PRO, Compatible T-rex 450 pro Plastic Landing Skid Set for Align, CopterX other kinds of 450 size This is not Align original products