Comparison : Item # 7286, 600 Series 1:1 (Miter) Gear Ratio, 1.75 Inch (in) Shaft Diameter, and A Rotation Gear Drive
Item # A0229, 600 Series 1:1 (Miter) Gear Ratio, 1.75 Inch (in) Shaft Diameter, and B Rotation Gear Drive
Item # 5187, 600 Series 1:1 (Miter) Gear Ratio, 1.75 Inch (in) Shaft Diameter, and C Rotation Gear Drive
Item # A0230, 600 Series 1:1 (Miter) Gear Ratio, 1.75 Inch (in) Shaft Diameter, and D Rotation Gear Drive
Item # A0231, 600 Series 1:1 (Miter) Gear Ratio, 1.75 Inch (in) Shaft Diameter, and E Rotation Gear Drive