Specification Brand : SEAKOS BulletPoint1 : [EASY INSTALLATION] Mount on shaft without the need for a hub, two set screws for excellent hold. BulletPoint2 : [POSITIVE DRIVE] Bore perfectly matches 8mm shafting for a simple drive installation. BulletPoint3 : [ AND STURDY] Constructed of high-hardness material, wear- for long-term use. BulletPoint4 : [PRACTICAL DESIGN] Features an 8mm hex hole for industrial robot accessory use. BulletPoint5 : [EXQUISITE WORKMANSHIP] Exudes quality with precise fitting and craftsmanship. ItemName : 430340080030 Gear Hardened Steel 30 Teeth Industrial Robot Spare Parts ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 3 centimeters ItemTypeKeyword : robot-accessories Manufacturer : SEAKOS ModelNumber : SEAKOSfva5u8o2yr PartNumber : SEAKOSfva5u8o2yr ProductDescription : [EASY INSTALLATION] Mount on shaft without the need for a hub, two set screws for excellent hold. [POSITIVE DRIVE] Bore perfectly matches 8mm shafting for a simple drive installation. [ AND STURDY] Constructed of high-hardness material, wear- for long-term use. [PRACTICAL DESIGN] Features an 8mm hex hole for industrial robot accessory use. [EXQUISITE WORKMANSHIP] Exudes quality with precise fitting and craftsmanship.