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1801015 2#直,0.17x0.07mm 尖端,12cm
1801016 3#直,0.17x0.1mm 尖端,12cm
1801017 3#直,0.08x0.04mm 尖端,12cm
1801018 3c#直,0.08x0.04mm 尖端,11cm
1801019 4#直,0.13x0.08mm 尖端,11cm
1801020 4#直,0.06x0.02mm 尖端,11cm