Specification Brand : uxcell BulletPoint1 : Diameter: 20mm/0.79inch; Overall Size: 25x26.7x11mm/0.98x1.05x0.43inch(L*W*T) BulletPoint2 : Made of plastic material, lightweight and easy to use BulletPoint3 : Mount bracket holder in one pack, convenient for multi motors mounting. BulletPoint4 : Fixing hole 5.4mm, can be fixed with M4 screws which is not included BulletPoint5 : Application: Widely used for 130 motor, 140 motors, 180 motor series Color : Silver ExternallyAssignedProductIdentifier : 7780961676997 ItemName : uxcell 25PCS 20mm Plastic DC Motor Base Mounting Bracket Holder Seat for 130/140/180 DC Motor ItemPackageDimensions_Height : 16.6116 centimeters ItemPackageDimensions_Length : 5.3086 centimeters ItemPackageDimensions_Width : 12.8016 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : linear-motion-guides Manufacturer : uxcell Material : Plastic ModelNumber : a19032000ux0447 NumberOfItems : 1 PartNumber : a19032000ux0447 ProductDescription : Features: Made of plastic material, lightweight and easy to use Mount bracket holder in one pack, convenient for multi motors mounting. Fixing hole 5.4mm, can be fixed with M4 screws which is not included Application: Widely used for 130 motor, 140 motors, 180 motor series