Glasser Fiberglass Violin Bow with Wire Grip 3/4 Size Fiberglass Violin Bow with Wire Grip - Brown Stick Closeout 3/4 Size A great bow for beginners! Fiberglass bow with horsehair Available 4/4-1/16 sizes Fully-lined frog with leatherette and nickel-silver grip A great bow for beginners! Fiberglass bow with horsehair