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DAOKI 5PCS Optical Endstop Light Control Limit Switch for RAMPS 1.4 Board 3D Printer Parts with 3 Pin Cable DIY + M3 Screw: Amazon.com: Industrial & Scientific
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RLECS 4pcs 3D Printer Mechanical Endstop Ramps 1.4 Control Board Part Switch Accessories Limit Switch with 3 Pin 70cm Connecting Cable: Amazon.com: Industrial & Scientific
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