Each Pitt Artist Pen has the size indicated on the pen.  You will find this detail on the end of the cap and at the end of the pen barrel.

B, SB, M, F, S, XS, SC, C, 1.5


B = Brush 

1 to 5mm

60 colors - See Color Chart



SB = Soft Brush 

0.5 to 5mm

Black #199
Dark Indigo #157Light Indigo #220Warm Grey V #274Warm Grey IV #273Warm Grey III #272
Warm Grey I #270Cold Grey I #230Cold Grey III #232Cold Grey IV #233Cold Grey VI #235



M = Medium 

0.7mm

Black #199Dark Sepia #175Sanguine #188



F = Fine 

0.5mm

Black #199Dark Sepia #175Sanguine #188



S = Superfine 

0.3mm

Black #199Orange Glaze #113Deep Scarlet Red #219
Magenta #133
Middle Purple Pink #125
Indanthrene Blue #247
Phthalo Blue #110
Cobalt Green #156
May Green #170
Sanguine #188
Dark Sepia #175



XS = Extra Superfine 

0.1mm

Black #199



SC = Soft Chisel 

1 to 3mm

Black # 199



1.5 = Bullet

1.5mm

Black #199

Metallic Colors

Silver #251Gold #250Ruby #290Blue #292Green #294



C = Calligraphy

2.5mm 

Black #199Walnut Brown #177Magenta #133

*Some Creative Studio Packages may call #177 Sepia and #133 Cranberry