M8 20mm M10 25mm. M8 25mm M10 30mm. M8 30mm M10 40mm. M8 40mm M10 50mm. M8 50mm M10 60mm. M8 60mm M10 70mm. M8 70mm M10 80mm. the thumb screw M8/M10 has a star-shaped design that gets a comfortable grip and can easily tighten the screw manually without slipping, and has no burr spiral.
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