If you are looking for professional bow screw, you should take at this item. This bow screw is made of solid material, which enjoys strong durability. It can greatly meet your practical requirement, can be used for instrument repair. Features Note: random style head -Color:Multi -Material:Metal -Size:5.90X1.30X0.30cm/2.32X0.51X0.12in - A good substitute violin bow frog screw for your broken or worn out one. - The nicely crafted violin bow frog screws have excellent texture and can provide excellent support. - You can install it without worries. Practical accessory for violin lovers, and also a good choice for your gift - Outstanding workmanship, reasonable design, stable and practical, will bring you a - Professional ergonomic design concept, when in use, feel comfortably and experience excellently Package list: 4 x screws