General description AlwaysH Heavy Duty Laminated Steel Keyed Padlock set includes 4 sturdy 40mm steel padlocks, each with 2 keys for convenience. These padlocks are designed for both outdoor and indoor use, offering weather, rust, heat, and fade resistance. Technical specifications Shackle diameter: 6mm Dimensions: 6.5 x 4.3 x 2.5 cm Usage Ideal for securing valuable goods in sheds, garages, workshops, boxes, containers, toolboxes, and as suitcase padlocks. Can be used to secure chains, gates, fences, sliding doors, kennels, trailers, and bicycles. Also suitable for college and sports locker padlocks or for practicing lock picking. Other information The bottom of the padlock is reinforced with a plastic cover to prevent scratches and protect against rain and humidity. Note: Measurements are manual; allow for 1-3cm error due to lighting and display differences.