Description This violin bow frog screw is made of good metal material, good texture with fine treatment, solid, firm and durable, ensures a long using time. Polishing and smooth surface. Easy to carry and install, the finest detail. The screw can be quickly and easily replaced, making them a convenient option for maintaining your violin bow. Features -Color:Silver -Material:Metal -Size:6.10X0.80X0.80cm/2.40X0.31X0.31in -Note:Suitable for 4/4 size violin bows. -Themetalmaterial is safe and durable, which is wear resistance and practical for the long time use. -It has a simple design, but very practical in use, giving you a good using experience. - he design of Violin Bow Frog is simple but easy to use, giving you a good experience. -This tool is perfect for placing the old or broken violin bow frog, which is a convenient tool. -Carefully selectedmetalmaterials, makes a thoughtful and practical gift for anyone who loves playing the violin and wants to take good care of their instrument.Package list1 x Screw