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Two Blades Bullnose Propellers 4045, High Performance for Racing Quadcopters.Excellent balanceLow vibrationMore FlexibleBetter PerformanceAlmost unbrokenWhat you Get:1 x Propeller 4x4.5" CW (clockwise)1 x Propeller 4x4.5" CCW (counter - clockwise)..

Two Blades Bullnose Propellers 3545, High Performance for Racing Quadcopters.Excellent balanceLow vibrationMore FlexibleBetter PerformanceAlmost unbrokenWhat you Get:1 x Propeller 5x4.5" CW (clockwise)1 x Propeller 5x4.5" CCW (counter - clockwise)..

Nickel Strip quality low resistance 99.96% pure nickel Strip Sheets for battery spot welding machine, etc.. Features: Good welding performance, High tensile tension, Low resistivityUsage:Mainly used for nickel-metal hydride batteries, lithium batteries, pole ear, power tools, combined batteri..

Function introduction: This circuit with 12V battery will become a storage spot welding machine for lithium battery, nickel-chromium battery and other nickel sheet welding, according to different configurations can be welded thickness of 0.1MM-0.15mm.Button function: The button can switch mod..