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6588 650nm 250mW Red Dot Head Engraver Focusing Module Dot Locator Adjustable Focal Length Engraving DIY Part Red Dot Point
6588 650nm 250mW Red Dot Head Engraver Focusing Module Dot Locator Adjustable Focal Length Engraving DIY Part Red Dot Point
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head with adjustable focal length. This product is for locating, not for engraving. Made of premium quality material with great durability, long service life. 19cm long wire for flexible use. Wiring method: red is positive, black is negative. Compact and lightweight, easy to assemble, convenient to use. Designed for engraver, suitable for DIY lover, engineer, artist and more.