Dart Backboards 3Pcs Professional Darts 26 Grams Competition Tungsten Darts for dartboard Dart Shaft Steel Tip dart flights Set/Box Name: High-end game darts needle100% brand new.1 set (3 pieces) of darts.Weight: 24 gramsMaterial: Copper-plated tungsten (dart body) Aluminum alloy (rod) does not break Laser (dart wing)Length: 155mmAccessories: 3 26g copper-plated tungsten darts 3 colored engraved aluminum alloy dart bars 3 laser dart wings 3 plastic black dart bars (replaceable) 1 plastic dart box, 1 dart base.Advanced copper-plated tungsten steel darts for games.Nice darts flight.Material: tungsten steel.color: blue.Barrel tube diameter: about 9.3 mm / 0.37 inch.Barrel tube length: about 54mm / 2.12 inchesTotal length: about 162 mm / 6.38 inches (including flights).Total weight: about 26g / pc.Aluminum shaft: Keep away from shaft breakage.Note: Due to manual measurement, please allow 1-2mm error, thank you for your understanding!Packing list: 3 darts flying + 3 brass barrels and dart head + 3 aluminum dart bars + 3 plastic replaceable dart bars. Basic knowledge of darts physiology! 1. Dart sport is a whole body sport. The fitness effect in the office is very good. It is the nemesis of modern office sickness.2. There is a clear difference between dart movement and archery and shooting. The latter is static aiming, muscles stretch to a certain level and remain stationary, capillaries do not expand, and long-term movement may form occupational diseases, while the dart movement has moving parts. There are also static parts, the amount of exercise is not large, and can be adjusted, which can not only exercise, but also eliminate fatigue.3. Darts is also a group sport, which is good for mental health and provides a social stage for modern people.4. The muscles and links that darts are mainly involved in and contract, including fingers, wrists, elbows, shoulder joints, deltoid muscles, triceps, wrists, finger muscles, etc., especially for some smaller ones that are rarely exercised in normal times. Muscle training. The amount of exercise is not large, and it can be adjusted. Taking darts back and forth is also a good exercise process.5, exercise eyesight, dart movement requires eye rhythmic aiming and relaxation, which has certain benefits for relaxing eyes and alleviating eye muscle fatigue.6. Dart movement can improve the ability of nerves to precisely control muscles. This ability will not grow to a certain extent. For high-level darts, three darts can be controlled within 1cm2. There are inherent factors, but through exercise you can Effectively improve.7, dart sport is a competitive, highly antagonistic, at the same time leisure and entertainment is also very strong, you can adjust the psychological state and improve psychological quality.8. Dart movement can adjust the balance of left and right brains, that is, the balance in logical thinking judgment and space control.