The Unicorn Gripper 4 Two Tone is a specially shaped shaft made of polycarbonate. The flights can be easily inserted and held securely in the shaft. Additional support for holding the flights is provided by a shaft ring. This shaft type is available in five colors and four lengths, as well as with the 2BA thread. X-Short: Length: 29.0mm, Weight: 0.7g. Short: Length: 35.0mm, Weight: 0.8g. Medium: Length: 41.0mm, Weight: 1.0g. Long: Length: 47.0mm, Weight: 1.2g.