Harrows Quantum Fusion X Dart Flights and Shafts Combo Kit Contains the following: 3 Sets of Harrows Supergrip Fusion-X Shafts with Supergrip Rings – 1 Medium, 1 Tweenie, 1 Short. 4 Sets of Harrows quantum-x Dart Flights – 1 Set Standard, 1 Set Pear, 1 Set Kite, 1 Set Slim. Harrows Quantum Fusion X – Flight & Shaft Combo Kit – Mixed – Blue