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Best Choice AMZVOGHDL 
4PCS Handpiece Turbine Ceramic Laboratory Dental Bearings (NO.26) "Size examine for best install.CLSOEDA 
2pcs High Speed SR144TIZWN8 3.175x6.35x2.78mm Handpiece Bearing Turbine Ceramic Laboratory Dental Bearings SR144 Item: SR144TIZWN8LJNFCXS 
Turbine Cartridge Turbine High Speed Handpiece Repairing Complete Cartridge/Rotor,- Compatible For W&H，for Alegra TE-98/ 【Outstanding Performance】: This turbine rotor is meticulously designed to significantly improve turbine efficiency, provLJNFCXS 
High Speed Push Button Handpiece For SX-SU03 Turbine Rotor，Compatible For S Max M600L(1pcs) 【Outstanding Performance】: This turbine rotor is meticulously designed to significantly improve turbine efficiency, provBest Value LJNFCXS 
Air Turbine Cartridge Rotor Air Rotor High Speed Push Button Handpiece Accessories Materials，Compatible For COXO，for CX2 【Outstanding Performance】: This turbine rotor is meticulously designed to significantly improve turbine efficiency, provCLSOEDA 
2pcs Speed Handpiece SR144TLZN8 Stainless Steel Hybird Ceramic Bearing 3.175x6.35x2.38mm Turbine Dental Bearings Structure: Deep GrooveLJNFCXS 
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Connector Dentist Eq 2PCS Dental High Speed Handpiece Connector Turbine Adapter Changer Coupler Size 4 To 2/2 To 4 Holes Connector Dentist EqLJNFCXS Cartridge/Rotor，-Compatible For NSK，for Phatelus 45T 45S，/ Compatible For Mach Lite 65/ T – NCH-Tu03 Turbine High Speed 【Outstanding Performance】: This turbine rotor is meticulously designed to significantly improve turbine efficiency, provYBJULT 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsYoungran Youngran 10pcs T2/T3 handpiece Turbine Cartridge Rotor Bearings SR144TLZWN 3.175x6.35x2.78mm Leisurely (Inner Diameter : T2/T3 handpiece turbineUITHQH 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsLJNFCXS Cartridge/Rotor，-Compatible For NSK，for Phatelus 45T 45S，/ Compatible For Mach Lite 65/ T – NCH-Tu03 Turbine High Speed 【Outstanding Performance】: This turbine rotor is meticulously designed to significantly improve turbine efficiency, provYBJULT 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsYBJULT 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsCLSOEDA 5pcs SR144TIZWN8 Speed 3.175x6.35x2.78mm Handpiece Bearing Turbine Ceramic Laboratory Dental Bearings SR144 Item: SR144TIZWN8UITHQH 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsYBJULT 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsYBJULT 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsUITHQH 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsCLSOEDA 5pcs SR144TIZWN8 Speed 3.175x6.35x2.78mm Handpiece Bearing Turbine Ceramic Laboratory Dental Bearings SR144 Item: SR144TIZWN8BTZGNDMIO 10PCS SR144TIZN8 3.175x6.35x2.38mm High Speed Handpiece Turbine Ceramic Laboratory Bearings BearingsUITHQH 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsSYGMseRt 10pcs Speed SR144 TIZN8 3.175x6.35x2.380mm Air Turbine Handpiece Ceramic Cartridge Dental Rotor for Bearing Size: 3.175 x 6.35 x 2.380 mm MetricUITHQH 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsYBJULT 5 PCS High Speed handpiece Bearing R144 Open R144K 3.175 * 6.35 * 2.381 air Turbine Bearing 1/8X1/4X0.0937 inch SR144 SU BearingsBTZGNDMIO 2PCS High Speed SR144TIZWN8 3.175x6.35x2.78mm Handpiece Bearing Turbine Ceramic Laboratory Bearings SR144 BearingsGoodteehgood 35000 RPM Lab Sander Devices 1EMSea EMSea 2PCS 3-24V 3 Phase AC Micro Hand Brushless Motor Mini Generator Wind Turbines Generator for Toy Model Experiment T [Operating voltage] This miniature brushless generator can operate in a wide voltage range of 3-24V, providing flexibiliGARVALON GARVALON Micro Wind Turbine Generator Kit Mini Motor for Educational Science Experiments Efficient Power Generation with Versatile: the small motor can be used for a wide range of outdoor activities, making it a versatile and practical solutMOBUTOFU MOBUTOFU 2pcs Miniature Vertical Shaft Wind Turbines Portable Wind Generator Motors for Outdoor Camping and Science Expe Miniature wind generator motors:with small wind motor for students, you can make your students have a great time,small mBESPORTBLE BESPORTBLE 2pcs Miniature Wind Turbines Generator for Diy Science Experiment Power Model Plastic Small Generator for Ind Small generators portable:small wind generator, train your student observation capability, thinking and cognition skillsThames & Kosmos Thames & Kosmos Wind Power V5.0 STEM Experiment Kit, Build a 3ft-Tall Model Wind Turbine & Explore Clean, Renewable Ener FIFTH-GENERATION WIND TURBINE KIT: Updated version of the best-selling STEM kit about wind power and energy, kids can maThames & Kosmos Thames & Kosmos Wind Power V4.0 STEM Experiment Kit | Build a 3ft Wind Turbine to Generate Electricity | Learn About Ren Build and experiment with a real, working 3 foot tall wind turbine to learn how wind is one of the most promising sourceRisegun 3-24V 3 Phase AC Micro Hand Brushless Motor, Mini Generator, Wind Turbines Generator, Model Experiment Teaching Aid, For Understanding Key Concepts: Micro Three-phase AC Generator can use to introduce basic physics concepts such as electromaDtuse 50pcs Diamond Burs Drill Set CR-22F ❤ Shank diameter: 1.6mmYDuupxe YDuupxe Vertical Axis Wind Wind Turbines Kit, Turbines Generator Kit, 1200W 5‑Vane/Wing Lantern Type Double Layer Power 【HIGH WIND ENERGY UTILIZATION】: The current and 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