GB Bar No. SN28-50Fits: Stihl
GB Bar No. MA28-50Fits: McCulloch
GB Bar No. HW28-58Fits: Husqvarna
GB Bar No. HV28-58Fits: Husqvarna, Dolmar, Jonsered, Makita, Poulan
GB Bar No. JO28-58Fits: Jonsered
GB Bar No. SN28-63Fits: Stihl
GB Bar No. HW28-63Fits: Husqvarna
GB Bar No. HV28-63Fits: Husqvarna