The design is attuned to the original ABUS DISKUS padlocks in such a way that the shackle is protected from unlocking tools. Sturdy steel construction. Latch and joint pins made of tough, rustproof quality steel. Hardened steel staple. Joint pins with tear-off resistance. Concealed screws. Heavy duty. Designed for use with discus padlocks. Concealed hardened steel hinge pin. Hardened steel specially shaped staple to protect padlock shackle. Concealed fixing holes. Supplied with screws and bolt fixings.