Trimax TRP3170 70 mm Round Stainless Steel Padlock with 10 mm Keyed Alike Shackle, (Pack of 3) 70mm round padlock Disc shape protects against bolt cutters Made of high quality stainless steel Armor plated key core for added security All 3 keyed alike for added convenience Disc lock: protects against bolt cutters Stainless steel: exclusive armor plated key core for added Strength Keyed alike set Convenient three pack