An essential security accessory, High Visibility Paint Markers allow users to quickly check the security of nuts and bolts against loosening by machine vibration or external interference.Once the paint mark dries, it becomes a hard seal that will break easily under pressure, which provides a convenient identification method. The markers contain 50ml of paint each.Features and Benefits Provides an excellent adherence to metal and rubber Plastic tip allows for operator choice on marking size Increases marking precision Bright, high visibility colours for easy identification in all lighting Tip design allows for precision marking Provides a fast and convenient visual checkTypical Applications Quality control Warranty workWarnings Use in well-ventilated areas - liquid and vapour may cause drowsiness Suitable for use on most surfaces - read manufacturer's instructions before use