Martin Sprocket & Gear Martin C4-RRD-20UPC: 697950847825 | UNSPSC: 24101701 | GTIN:Conveyors & Conveyor Parts > Conveyor Parts > Conveyor RollersMartin Trougher Replacement Roller, 4 in Dia, 23-1/8 in Length, Steel, 1/4 ga Wall ThicknessSpecs:Wall Thickness: 1/4 gaMaterial: SteelDiameter: 4 inLength: 23-1/8 inPackaging:Weight: 21.0 lbCertifications/Standards:CEMA/NIBA Standards