Helicopter Skid Rails 12 x 6

Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Tread Attachment Technic Link Tread Wide with Two Pin Holes, Reinforced Plate Round 1 x 1 with Solid Stud Technic Pin 1/2 without Friction Ridges Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges] Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper) Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced Tile Special 1 x 2 Grille with Bottom Groove Wedge Plate 3 x 6 Cut Corners Plate 1 x 2 Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole]