Heavy Duty Picture Hanger Hooks Can holds max 15kg/ 33lbs. 131 Pieces : 1 Piece 30m Wire, 50 Pieces Crimp Tube, 40 Pieces Picture Hanging D rings, 40 Pieces Screws. 61 Pieces: 1 Piece 30m Wire, 20 Pieces Crimp Tube, 20 Pieces Picture Hanging D rings, 20 Pieces Screws.