Convert your hidden hardware crib into a full-sized bed with these wooden rails. Full Size Conversion Kit fits: Highland 4-in-1 Convertible Crib (M3601) Jayden 4-in-1 Convertible Crib (M5981) Piedmont 4-in-1 Convertible Crib (M1921) Porter 4-in-1 Convertible Crib (M8501) Rowan 4-in-1 Convertible Crib (M8701)