Screw Top, Threaded Taper, 3.17mm Rotary Mandrel For Rotary Drill Tool Dremel Product Description】: 【Type】: 3.17mm Rotary Mandrel 【Material】: Metal 【Length】: 37mm 【Shank diameter】: 3.17mm 【Feature】: The 3.17mm wool sheet fixing rod is used to fix the wool sheet. One end is a pointed thread used to secure the polishing supplies.
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