【Security Design】The shackle puck lock design protects against bolt cutters, no exposed shackle to cut or saw. Provides maximum security against drilling, sawing and prying. Key retaining safeguard ensures padlock is not left unlocked. 【High Qulity Material】The hidden shackle padlock is made of #45 Steel with the chrome surface, this padlock is impossible to cut or pry, the chrome surface is rust and temperature resistant which can withstand any weather, no spring to rust or jam. 【Widely Used】The Hidden shackle keyed alike padlocks provide ideal security for your van, trailers, gates, trucks, garden shed, warehouse, shipping container, factory, house. 【Size】The hasp Length is 9-1/16 in. (23cm), Lock body diameter is 2-7/8 in. (73 mm), 3/8 in. carriage bolts recommended for installation (bolts included). If puck locks heavy duty has any issue, please contact us in time. 【Easy to Use】Open the parcel and you will get 1 pcs hidden shackle padlock with keys. If there is any problem in the use of the product, please contact us first, we will reply to you within 8 hours and help you solve it until you are satisfied. shackle padlock,hidden shackle padlock,padlock shackle,shackle padlock keyed alike,master lock hidden shackle padlock,lock Hidden Shackle,lock puck lock,heavy duty hidden shackle lock,heavy duty lock,reinforced hidden shackle lock,trailer door lock,padlocks keyed alike,solid steel lock for vans padlock shackle,shackle padlock keyed alike,master lock hidden shackle padlock,lock Hidden Shackle,lock puck lock,heavy duty hidden shackle lock,reinforced hidden shackle lock,trailer door lock,padlocks keyed alike,solid steel lock for vans