Description Overview Rite singeing machine Model GRR and GRR/N 72 heads each Double independent sides Specifications Independent inverter for speed adjustment (one per side) 2 turns constant pitch steel drum Pitch 6 in (152 mm) Conicity 5°57’ Magitex trolley blower GPL supply Fan fume Year Model GRR/N year 1998 Model GRR year 1999