With the Spyderco BaliYo you will own a pen that can also function as a butterfly knife! Even though a butterfly knife is illegal, this pen will still enable you to do cool tricks. As such this unique pen is not only functional, but also great fun. The BaliYo Heavy duty is, as the name already suggests, the heavy-duty version of the BaliYo.
This Heavy Duty version is enhanced with a Fisher Space pen refill. This refill is perfect in ice-cold and hot surroundings. It even works upside down or underwater. No situation too extreme. Via Baliyo.com you will find a wide range of instruction videos. As such you will quickly master the basics.