... :SW18-50WR 3)Gauge:3/8",.050",9T guide bar,GB pro bar Our company is a manufacturer of gardening and forestry ... from USA and Switzerland directly.·Solid body with replacement bar nose. SW18-50WRguide bar,GB pro barEX20-50MGHV15-58MGHV18-58MGHV20-58MGSN16-63MGSN16 ...