Introduction A durable ledger plate spring built to OEM quality for cigarette makers, this spring steel part provides the stable tension the ledger plate needs. The anti-rust finish and tight manufacturing control make it a dependable spare for MK8 and MK9 machines. Basic Info. Product name Ledger Plate Spring Model UB-LPS-700 Material Spring steel Surface Anti-rust treated Size OEM standard, customized available Compatible Models MK8, MK9 Application Ledger feed system