james.wilson Posted March 4, 2017 Author Posted March 4, 2017 1 hour ago, datadiffusion said: Yep you're right. JW in your opinion would the spring be ok for a back box up to 45mm box plus extra skim depth? dunno ill measure it Quote securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount.
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