Screwfix have been made aware of some isolated incidents with the affected product where the voltage tester could display a false negative result, which can put the end user at risk of electric shock. These products were offered for sale between 06/03/2016 and 25/10/2018. If you have purchased this product from Screwfix, stop using it immediately. Return it to a local Screwfix Trade Counter where you will be given a refund to the full value of your purchase. more information can be found on the Screwfix website: www.screwfix.com. | 
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