Strad Pet Chin Guard Common U shape Titanium chin guard hardware. It is very lightweight unlike traditional metals. Due to its "light" nature, it is effective in improving the sound of your instrument. The entire instrument will sound soundly. You can expect smooth pronunciation effects. It is made of titanium, so it is highly convenient for those who suffer from allergies. It is easy to install, so you can use it for your chin guard. Since it is a simple hill type, it can be easily replaced from regular chin guards. (You need to check the size of the screw holes) Type: U-shaped Musical Instrument: 4/4 Violin Weight: Approx. 0.2 oz (7 g) Compatible Width (distance between two holes in the chin pad): 38 mm (1.4 - 1.6 inches (36 - 40 mm) Adjustable): Length from cork to screw part