Each padlock supplied with a set of 3 brass keys. All keys fit any of the 4 padlocks. Ideal for situations where keyholders need access to all of the secured areas. Size (W x H x Th): 40 x 32 x 12mm. Horizontal shackle clearance: 22mm. Vertical shackle clearance: 25mm. Shackle dia: 6mm. Weight: 108g.