F2S - Razertip Small Tight Round Pen - Standard
HD2B - Razertip Special Tight Round Sharp Pen - Heavy Duty
HD2L Large Razertip Round Sharp Pen - heavy duty.
HD2M-S Medium Razertip Round Sharp 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
TH2M - Razertip Special Medium Tight Round Sharp Tip - Heavy Duty