日本 Sonic SN-591 圓規替換筆芯(2mm)
COMPASS-SONIC-SN-591
Brand：Sonic
Model：SN-591
Name：Compass Leads
Hardness：HB
Diameter：2mm
Quantity：Black 4pcs, Red 1pc, Blue 1pc, Green 1pc
Made in Japan
HB compass leads work in all standard drawing instruments. The tube holds 7 pcs of 2mm diameter leads .
