Check the listing for details. 2Pcs 4 Digit Combination Padlock 3mm Shackle 21mm Body Width Brass Lock. Condition: New. Listed at 16.04 USD. Description:Durable Brass construction.You can set and reset the combination padlock with hundreds of possible combinations, making it harder to crack.In addition to travel, this combination padlock can be used for various lockers, such as gym, etc.How to Reset:1.Open lock with current pass code 0000 2.Rotate shackle 90 counter-clockwise3.Press down and hold shackle4.Set a new combination5.Return shackle to locked position(Please remember the code you have set.) Specifications:Shackle Diameter: 3mm / 0.12-inchShackle Inner Size: 9 x 23mm / 0.35-inch x 0.91-inch (W*H) Dimension: 61 x 21 x 13.5mm / 2.4-inch x 0.83-inch x 0.53-inch (L*W*T) .