This listing is for the 4mm variant. Choose this option when an exact 4mm dimension is required for fit, replacement, or assembly. Key benefits Exact 4mm sizing: Designed to match 4mm specifications so you get a predictable, accurate fit. Simplifies replacements: Clear size selection reduces guessing and minimizes installation time. Versatile compatibility: Works wherever a 4mm component or connection is specified. Easy identification: Marked or listed as the 4mm option so you can confirm compatibility before use. What this provides Size: 4mm for consistent fit in applications that require that dimension. Straightforward selection: Use this variant when the specification calls for 4mm to avoid mismatches. Reliable outcome: Using the correct size helps reduce the need for adjustments or rework. Practical applications Equipment maintenance: a worn or missing 4mm part in small machines or assemblies that list a 4mm requirement. DIY and craft projects: Use when working with beads, connectors, tubing, or fasteners specified as 4mm. Component swaps and repairs: Ideal for service tasks where the correct 4mm dimension is essential for function and fit. How to choose Verify the required dimension in your device or project documentation. Select this 4mm option when the specification calls for a 4mm component. This listing represents the 4mm size variant only. Confirm that 4mm is the correct specification for your application before ordering.