F2S - Razertip Small Tight Round Pen - Standard
HD2B - Razertip Special Tight Round Sharp Pen - Heavy Duty
HD2L Large Razertip Round Sharp Pen - heavy duty.
HD2LC Large Razertip Flat Round Shading Pen - heavy duty.
HD2M-S Medium Razertip Round Sharp Pen - heavy duty.
HD2MC Medium Razertip Flat Round Shading Pen - heavy duty.
HD2SC Small Razertip Flat Round Shading Pen - heavy duty.
T2B - Razertip Special Tight Round Sharp Tip - standard
T2S - Razertip Special Small Tight Round Sharp Tip - standard
TH2B - Razertip Special Tight Round Sharp Tip - Heavy Duty
TH2LC Large Razertip Round Shading Tip - heavy duty.
TH2M - Razertip Special Medium Tight Round Sharp Tip - Heavy Duty
TH2MC Medium Razertip Round Shading Tip - heavy duty.
TH2SC Small Razertip Round Shading Tip - heavy duty.