guide bar Features: 1) Parameter: PO20-50LH, .325 .050 78X AS GB'S NO PO20-50LH QR20-72-63 3/8 .06 Features:1) Parameter: PO20-50LH, .325 .050 78X AS GB'S NO PO20-50LHQR20-72-63 3/8 .063 72X AS OREGON'S NO 203SLHD025 2) Special models according to samples Outer packing: 1pc/box20pcs/shipping box100pcs/export box1,200pcs/palletchainsaw part Guide Bar chainsaw part(chain saw guide bar,garden tool)