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A-XINTONG 1/4" 8mm 1/2" Shank Router Bit Extension Chuck Adapter with 4PCS 1 /4", 8mm, 12mm, 1/2" ER20 Spring Collet, ER20 M Type Collet Chuck Wrench Spanner for Milling Cutter Router Bit (1/4+ER20) - -
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