Wacom ACK-20501 soft rubber nibs for various Bamboo stylus pens.

Compatible with:
Bamboo Stylus Solo (1st Generation)
Bamboo Stylus Duo (1st Generation)
Bamboo Stylus Alpha (1st Generation)
Bamboo Alpha (2nd Generation)
Bamboo Stylus mini (1st Generation)
Intuos Creative Stylus (1st Generation