Brick Arch 1 x 6 x 2 - Very Thin Top without Reinforced Underside

Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots Tile Special 1 x 2 Grille with Bottom Groove Brick Curved 2 x 2 x 2/3 Plate Special 1 x 2 5.9mm Centre Side Towball Socket Plate 1 x 2 Technic Pin with Friction Ridges Lengthwise and Towball Plate Round 2 x 2 with Rounded Bottom [Boat Stud] Brick 1 x 2 Technic Pin 1/2 without Friction Ridges Technic Axle 2 Notched Plate Round 1 x 1 with Solid Stud