Product This 90-degree right angle transmission reversing gearbox is designed for applications requiring dual output shafts and efficient power transfer. Constructed from durable materials like aluminum alloy and S45C carbon steel, this gearbox is ideal for use in low-speed operations where precision is not a critical factor. Specifications: Frame Material: Aluminum Alloy Frame Size: 50 x 50 x 25 mm Gear Details: Teeth Number: 20 Inner Hole Size: 6 mm / 8 mm Outer Diameter: 21 mm Step Outer Diameter: 16 mm Tooth Length: 7 mm Total Gear Length: 13.2 mm Fixing Screw Hole: M4*2 Material: S45C Carbon Steel Installation Center Distance: 18 mm Weight: Type A: 0.16 kg Type B: 0.17 kg Important Notes: Surface Scratches: Due to the alloy processing, drilling, and cutting, some surface scratches may be present. These do not affect the functionality of the gearbox. Installation Requirements: This gearbox does not come with pre-drilled mounting holes; users will need to drill and secure it as needed. Additionally, there is no cover on the top and bottom of the unit. Usage Limitation: Designed for low-speed operations where high precision is not required. It is not suitable for high-speed or high-precision applications.