Note: The color of the item may vary slightly due to photography and your own computer<br> There's some little error from human measuring.<br> <b>Customer Satisfaction Guarantee</b><br> If you are not 100% completely satisfied with our products, please do not hesitate to contact us to request a refund or exchange!<br><br> <b>Item:</b> Metal Diff Main Gear 42T & Motor Pinion Gear 27T <br> <b>Package Include:</b><br> 1x Metal Diff Main Gear 42T<br> 1x Motor Pinion Gear 27T<br><br> <b>Features:</b><br> Pitch :0.7 Modulus <br><br> <b>Compatible with:</b>WLtoys 1/18th A959-B A969-B A979-B K929-B<br><br> <b>Note:</b>Check your specific model's manual for compatibility,or Contact us.