Introduction The ledger plate spring is a small but critical tension part in MOLINS MK8/MK9 cigarette makers, holding the ledger plate under stable pressure for consistent tobacco feed. Made from spring steel with an anti-rust finish and produced to OEM spec, it is a direct replacement that installs without modification. Basic Info. Product name Ledger Plate Spring Model UB-LPS-700 Material Spring steel Surface Anti-rust treated Size OEM standard, customized available