Feature: 1. Replacement for Duplo Intelli Lok module 0.5 9 teeth or other models with the same drive. 2. The superior gear serves as a perfect replacement for the originally installed plastic gear. 3. The bore of the 9 teeth gear is about 1.95mm, height is about 5mm, and width is about 5.5mm. 4. Manufactured by high quality brass materials with stable high reliability, have a longer service life. 5. Sophisticated production, with good performance and higher work efficiency, brings you more convenience. Specification: Item Type: Pinion Gear Material: Brass Fitment: Replacement for Duplo Intelli Lok Module 0.5 9 Teeth Bore: Approx. 1.95mm/0.077in Height: Approx. 5mm/0.197in Width: Approx. 5.5mm/0.217in. Package List: 2 x Pinion Gear