james.wilson Posted April 3, 2021 Share Posted April 3, 2021 Dsc used to make one but anything that claims grade 4 is different to anything that is 3rd party certificated. Without it I could claim a logic 4 was grade 4 and self certify it was. Utterly meaningless Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
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