HD68M - Medium Razertip Brass Calligraphy Pen - Heavy Duty
HD68L - Large Razertip Brass Calligraphy Pen - Heavy Duty
T68M Medium Razertip Brass Calligraphy Tip - standard
TH68M - Medium Brass Razertip Calligraphy Writing Tip - Heavy Duty
T68L Large Razertip Brass Calligraphy Tip - standard
TH68L - Large Brass Razertip Calligraphy Writing Tip - Heavy Duty