S.M.P. Economy safe locked out By Alan Morgan | October 14, 2020 | 0 S.M.P. Economy safe locked out due to unknown code numbers. Without drilling or damage, my determined deft dialling diagnostics, detected the delinquent digits diligently. Dynamic safe opening at your service. Posted in Safe Openings, SMP Safes and tagged combination lock opened, Lost combination found, S.M.P. Economy safe, Safe cracking Sheffield, safe manipulation, SMP safe opening