This item is manufactured with sturdy and reliable material for durable and long-lasting use. It adopts wood and metal which has perfect balance smooth when playing slide. Easy to install, very close to the string, the sound is particularly full and comfortable. Features -Color:Assorted Color -Material:Wood, metal, copper -Size:4.30X2.00X1.30cm/1.69X0.79X0.51in(bow frog) -Size:6.00X1.20X0.80cm/2.36X0.47X0.31in(screw) - Making nice and bright sound while playing violin, practical and convenient. - Bow Frog can work perfectly with your violin to create beautiful music. - You can give this Bow Frog as a gift to friends who are learning violin, they will like it. - Stable and comfortable, Bow Frog is very convenient to play violinwhile standing or walking. - Replace the old or broken bow frog with a new one. Provide great balance point and weight distribution. Package list: 1 frog 1 x screw