1' WEAVE CARBON FIBER - It's a great elasticity and hardness. The stick is round, It's striong and lightweight, approx 60 grams, 74.5cm including the screw. Easy to play. 2' WHITE HORSEHAIR - Well selected natural white horsehair, easier to rosin and more durable. 3' PERFECT BALANCE POINT - As you know, balance point is very important for a bow. Our bows makers adjust bow balance point and bow's screw for several times to ensure it is in the right range.The bow will be easier and more comfortable. A good bow for your choice! Size(Without screw) 4/4:approx.:73cm, Weight:62g 3/4: approx :67.5cm Weight:59g 1/2:approx.:60.5cm, Weight:56g 1/4:approx.:55cm, Weight:52g 1/8:approx.:49.5cm, Weight:52g Package List: 1 * Violin Bow