GB Bar No. UHL18-50PJ
Fits: Homelite

GB Bar No. UHL18-58PJ
Fits: Husqvarna, Jonsered, Makita, Oleo Mac, Poulan

GB Bar No. SN18-63PJ
Fits: Stihl

GB Bar No. UHL18-58PA
Fits: Husqvarna, Dolmar

GB Bar No. HV18-58PA
Fits: Husqvarna, Dolmar, Jonsered, Makita, Poulan, Shindaiwa

GB Bar No. UHLX18-58PA
Fits: Husqvarna, Oleo Mac

GB Bar No. SN18-63PA
Fits: Stihl