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4mm ER20 Spring Collet Chuck CNC Milling Lathe Tool Bit Holder ER20-4
Product Name Spring Collet Model No. ER20-4 Gripping Diameter 4mm Overall Size 21 x 31.5mm / 0.8" x 1.24" (Max.D*H) Material Spring Steel Color Silver Tone Net Weight 40g Package Content 1 x Spring Collet - Reviews
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