10/20/30Pcs/set 107mm Blue Ink Ballpoint Pen Replacement Core 0.7m Pen Tip Office Stationery Writing Supplies

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200PCS of EDM Brass coreless tube 3H type D5.65mm*L600mm / Outer diameter tolerance: +0,-0.05 for electrical discharge machining

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Super Low RPM 500 RPM 8000W 12V 24V 48V Hydraulic Maglev Coreless Generator Low Resistance Quick Start Running

Faradyi Factory Wholesale 50100 Permanent Magnet Dc Motor Micro Coreless Motors Replaces Maxon Re50 With Large Torque