Dope card available in 30-34-35 and 36mm, comes with two cards , one blank and one optimized to work with are ballistic tapes
IDTS Dope Card
Keep your data close with the IDTS DOPE card, made of carbon fiber reinforced material and is attached to your scope main tube. Comes with two removable boards and can be used with dry or wet erase markers.
IDTS DOPE cards are available in 30-34-35-36mm and can be used right or left handed