Unicorn Gripper 4 Elements Two Tone Dart Shafts. Features: Moulded Shafts with Ring Compression for Security, Superb Flight Grip, Polycarbonate for Grip and Durability, Infused Elements. Length:29.0mm; (does not include thread – 5mm)Unicorn Gripper 4 Elements Two Tone Dart Shafts. Features: Moulded Shafts with Ring Compression for Security, Superb Flight Grip, Polycarbonate for Grip and Durability, Infused Elements. Length:47.0mm; (does not include thread – 5mm) Unicorn Gripper 4 Elements Dart Shafts – GreenUnicorn Gripper 4 Elements Two Tone Dart Shafts. Features: Moulded Shafts with Ring Compression for Security, Superb Flight Grip, Polycarbonate for Grip and Durability, Infused Elements. Length:35.0mm; (does not include thread – 5mm)Unicorn Gripper 4 Elements Two Tone Dart Shafts. Features: Moulded Shafts with Ring Compression for Security, Superb Flight Grip, Polycarbonate for Grip and Durability, Infused Elements. Length:41.0mm; (does not include thread – 5mm)