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F-Yi 3pcs CNC Engraving Machine Parts Two-line Limit Switch Set for CNC 3018 Pro Engraving Machine Optical Axis (2pcs XYaxis 10mm, 1pcs Zaxis 8mm): Amazon.com: Industrial & Scientific
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Limit Switch Kit 3 In 1 For 3 Axis Ly Desktop Cnc 1610 2418 3018 Pro Refit Upgrade Diy Use - Tool Parts - AliExpress
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