... , POM materials engineering. Linked plastic / hook, Plastic peg / hook, hook, hook, plastic hook / hook, upper arm, hanging article, U-shaped, F-shaped, T-shaped, S-shaped, trough, light body, teeth ... , bullets ring. Question mark plastic needle, semi-hook / hook-pin plastic, round hook / plastic needle hook, Hook Pins, V-shaped plastic pin, material: PP, nylon. Tag ...