This Brink s 70mm Promax Security Stainless Steel Discus Padlock is an excellent choice for home security. With a stainless steel body it provides strength and will last a long time. The four-pin design of this Brink s discus padlock is resistant to picking. It has a round shielded shape that minimizes the exposure of the shackle. Highly resistant to corrosion this stainless steel padlock is safe for use outside in various conditions. It can withstand 8100 lbs. of pressure making it difficult to cut. Take this lock to an office or the job site to keep equipment or personal belongings safe. It s ideal for use with lockers cabinets and storage units. Two keys included for extra convenience. The padlock uses M1 key blanks sold separately.