Add-a-Gram - Dart Extender - Adds 2g - Black

XQMax Add-a-Gram - Dart Extender - Adds 2g - Brass - Black. These unique add a grams will add 2g to each of your darts, plus increase the length by 11mm. Be sure to use rubber O Rings to create a secure bond between the dart and the add a gram. To create the same overall length, use a shorter shaft.