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| GC7A01 Pen Size: Φ15x161mm Pen Weight: 14g |
GC6A01 Pen Size: Φ11.5×158.5（mm） Pen Weight: 12.5g |
GC5A01 Pen Size: Φ10×134.8（mm） Pen Weight: 10.5g |
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| GC7D01 Pen Size: Φ15x169mm Pen Weight: 22g |
GC8D01 Pen Size:Φ15x169mm Pen Weight: 22g |
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