Specification Brand : DUKUTS BulletPoint1 : All-ceramic bearings have good corrosion resistance, wear resistance, heat resistance and insulation. BulletPoint2 : Designed for high-precision, high-speed operation BulletPoint3 : Speed Control Design: 3-12V constant speed power supply for precise and arbitrary controlling, and the drill paw can be adjusted in 0.3-4mm. BulletPoint4 : Lightweight & Portable: It is lightweight and portable. Compact design like a pen that can be well used by one hand. Easy to use anywhere and anytime. BulletPoint5 : Wide Applications: It is suitable for many materials, such as most metal, wood, stone, glass, ceramic, and so on. Color : One Color ExternallyAssignedProductIdentifier : 7383670458221 ExternallyAssignedProductIdentifier1 : 0099198928180 ExternallyAssignedProductIdentifier2 : 099198928180 IncludedComponents : Drill Chuck ItemName : DUKUTS 1PC 693 694 695 696 697 698 699 SI3N4 Keramik Alur Deep Bola Bearing ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : angular-contact-bearings Manufacturer : DUKUTS Material : Brass Material1 : Plastic Material2 : Resin Material3 : pe_(polyethylene) ModelName : YWBL-WHgb4x8710zn-02 ModelNumber : DUKUTS NumberOfItems : 1 PartNumber : DUKUTS ProductDescription : Open on both sides for easy on-site lubrication Application areas: optical instruments, printing machinery, machine tools, high-speed motors, cryogenic engineering.