E40 Crossed Axis Helical Gearbox E40-LH Crossed Axis Helical GearboxE40 Crossed Axis Helical Gearbox E40-LH Crossed Axis Helical GearboxE40 12mm Bores Crossed Axis Helical Gearbox E40-LH 12mm Bores Crossed Axis Helical GearboxE40 14mm Bores Crossed Axis Helical Gearbox E40-LH 14mm Bores Crossed Axis Helical Gearbox