Brand Model Width x Height Base width ↓ Thickness Weight Source Created
Yinhe T11 150 x 159 mm 69g Source about 10 years ago
Yinhe 898 (JPEN) 135 x 143 mm Source about 10 years ago
Yinhe T11 150 x 159 mm Source almost 10 years ago
Yinhe MC-2 CPEN 150 x 162 mm 5.7mm 84g Source over 7 years ago