Specification Brand : SUOFEILAIMU-PHONE CASE BulletPoint1 : Note: the gears are very small. BulletPoint2 : Small module gear is used for toy accessories, for mini cars, for remote control aircraft etc. BulletPoint3 : How to calculate the calculation of gear? (for reference only) BulletPoint4 : Gear module M = outer diameter ÷(number of teeth +2) BulletPoint5 : Outside diameter = Gear module ×(number of teeth +2) Color : 6 Teeth ExternallyAssignedProductIdentifier : 9406089008912 ItemName : SUOFEILAIMU-PHONE CASE Industry 10PCS Brass Pinions 0.25M 11T 1.5mm Precision Steering Gears 0.2M 9T 1.0mm/0.25M 15T 1.5mm Thickness 2.5mm (Number of Teeth : 0.2M 9T 1.0mm) ItemPackageQuantity : 1 ItemTypeKeyword : rack-and-pinion-gears Manufacturer : SUOFEILAIMU-US Material : Metal NumberOfItems : 1 PartNumber : SUOFEILAIMU-123 ProductDescription : Note: the gears are very small. Small module gear is used for toy accessories, for mini cars, for remote control aircraft etc. How to calculate the calculation of gear? (for reference only) Gear module M = outer diameter ÷(number of teeth +2) Outside diameter = Gear module ×(number of teeth +2) ProductSiteLaunchDate : 2022-01-06T08:13:03.862Z Size : 0.2M 9T 1.0mm UnitCount : 1 UnspscCode : 52140000