The safe way to go ER11 Magnetic Collet Holder for Sainsmart 4040 Pro Cnc
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This ER11 Magnetic Collet Holder has been designed and 3d printed. The safe way to go after a near miss in the workshop. Magnets https://www.amazon.co.uk/dp/B078W1VY1... https://www.amazon.co.uk/dp/B09H2W3TQ...