- Used in tailstocks to secure pen blanks on the mandrel.
- Eliminates damaged mandrels and out-of-round pen blanks by putting pressure directly on the pen bushing. not the mandrel
- Adapts to almost every mandrel with a shaft diameter of .245\ (6.22mm) or smaller; mostly commonly used with 7mm mandrels
- Tailstock Mount: #2 MT (Morse Taper)
- Material: Steel