product name: 0.5 black Ceramic Roller Gel G2 Refill EF
product number: PG-M05NP-BK
form: G2 standard (ISO27668)
ink: gel (quick dry with no smearing / waterproof and fade proof)
ball: 0.5 extra fine, made of ceramic, "needle point" tip
weight: approx. 3.8g
body: nickel silver; tail cap: POM.
Made in Japan