1' PERNAMBUCO - It's a great elasticity and hardness. The stick is round, material is pernambuco, Wonderful weight and length, approx 62 grams, 74.5cm including the screw. Easy to play. 2' HIGH LEVEL - It's well made by master bow-maker, For professional players. 3' GOOD HORSEHAIR - Well selected natural horsehair, great contractility, easier to rosin and more durable. 4' 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. PACKING LIST: 1pc of violin bow