Jienk 4Pcs 50Mm Brushless Blower Fan Dc 24V 5015 Dual Ball Bearing 50X15Mm Cooling Fan For Part Cooling 3D Printer Heat SinkThis 50mm Brushless Blower Fan uses spiral fan blades to gather wind, which can accurately dissipate wind to your equipment, protect your equipment, and reduce the damage caused by the equipment due to high temperature Specifi..

Jienk 10Pcs Db9 Male Female Rs232 D-Sub Serial Solder Cup Connectors Kit, Gold Plated Joints Rs232 Serial Solder Type Port 9 Pin D Sub Couplers With Plastic Hoods, Strain Relief Grommet And ScrewsSpecifications: Insulator:PBT contact Material: gold plated joints Housing Material: gray plastic Type: Welding type Pin: 9 pin Rated Voltage:24V Rated cu..