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.sg: DIY & Tools
CNC Machine Parts Two-line Limit Switch Set for CNC 3018 Pro Max Engraving Machine Optical Axis (2pcs XYaxis 10mm) : Amazon.co.uk: Business, Industry & Science