GB Carving Bar. Groove Width 1.3 mm GB Rim Chain Sprocket 1/4", 9 Teeth, Hub Size Small GB Carving Guide Bar, 1.3 mm, Universal Mount GB Carving Bar. Groove Width 1.3 mm GB Carving Guide Bar, 1.3 mm, Universal Mount GB Carving Guide Bar, 1.3 mm, Stihl Mount GB Carving Guide Bar, 1.3 mm, universal mount, 35 cm GB Carving Guide Bar, 1.3 mm, Stihl Mount GB Carving Guide Bar, 1.3 mm, Husqvarna D009 GB Carving Guide Bar, 1.3 mm, Universal Mount GB Carving Guide Bar, 1.3 mm, Universal Mount, 40 cm GB Carving Guide Bar, 1.3 mm, Universal Mount GB Carving Guide Bar, 1.1 mm, Universal Mount GB Carving Guide Bar, 1.1 mm, Universal Mount GB Carving Guide Bar, 1.1 mm, Universal Mount