Keeper Brinks 173-70201 70mm Shielded Discus Lock 2-Pack Pack of (2) 70mm high security discus locks with stainless steel lock bodies, keyed alike Stainless steel shackle with 8,100 lbs cut strength Round shielded design minimizes shackle exposure 4 Pin, pick resistant cylinder Perfect for storage units, sheds, truck work boxes and constructions site storage