16x28 mm 0.63"x1.1'' Pinned Nylon Hinges RC Airplane Plane Parts Replacement (Pack of 20) Unfold Overall Size : 16x28 mm 0.63"x1.1'' (W*L) ; Folding Size : 16 x 15mm/0.59" x 0.63"(W*L) Hole Diameter : 1.30mm/ 0.05" removable With steel pins Net Weight : 0.6g/pc Pack of 20