Sesame 10020 Discus Padlock Keyed is kd with 978 key changes Best used for self-storage units, storage lockers, sheds, workshops, garages, trailers, vans and moving trucks Body thickness of 1-11/50 inch Shackle diameter 3/8 inch Vertical and horizontal clearance of 3/4 inch Stainless Steel Shrouded Hasp High-Security