★Coarseness on the bit surface-from the upper part of the base of the drill, the roughness changes from fine, to middle, to thick.
★ Works for both left and right hand.
★ Made of carbide: Tungsten Steel, the hardest material next to diamonds
★Perfect for use on acrylics or hard gel
★ Works for both left and right hand.
★ Made of carbide: Tungsten Steel, the hardest material next to diamonds
★Perfect for use on acrylics or hard gel
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