The Master Lock No. 7620EURTCOL Set-Your-Own Combination Padlocks feature a 20mm wide aluminium body for better corrosion resistance. The 3mm diameter shackle is 21mm long and made of chrome plated steel, offering more strength. Each pack contains two padlocks both the same colour either & ndash blue, pink, green or yellow. The padlocks have 3 digits, set your own combination, and will fit most luggage zips. Body Width 20mm. Shackle Length 21mm. Shackle Diameter 3mm. All Master Lock padlocks are supplied with a Lifetime Warranty against mechanical failure.