Master Lock® Safety Padlock, Alike Key, Laminated Steel Body, 1/4 in Shackle Diameter, 5/8 in Shackle Height, 9/16 in Shackle Width, Steel Shackle, 1-1/2 in Body Width, Warded/Single Lever Locking Mechanism. Master Lock® 22KA Safety Padlock, Alike Key, 1/4 in Shackle, Laminated Steel Body, Warded/Single Lever Locking