Description: What it can offer you is corrosion-resistant gears because of its rust-resistant treatment; and it can be tightly connected because of its gear groove design. With high quality material, this gear makes it hard and not easy to break; and it is non-slip and sturdy, so it can be used for a long time. Constructed of metal material, it is durable to use. This gear set includes 5 pieces in total. It is suitable for 1/8 RC model car. Item Name: Motor Gear Material: Metal Features: Replacement Parts, Anti-deformed, Rust-proof Size Details: Height: 1.3cm/0.51" (Approx.) 13T: 1.5cm/0.59" (Approx.) 14T: 1.6cm/0.63" (Approx.) 15T: 1.7cm/0.67" (Approx.) 16T: 1.8cm/0.71" (Approx.) 17T:: 1.9cm/0.75" (Approx.) Shaft Diameter: 0.05cm/0.02" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of Motor Gear