DescriptionThis violin bow posture corrector made of plastic which durable and lightweight. The violin grip allows beginners to grasp the bow pose and hand shape directly and greatly accelerate the of learning the violin.Feature- Color: Black. - Material: Plastic. - Size: 10.5 x 1.38 x 1.38 cm. - Grip the first hole position alignment bow direction, set into the bow. - Grasp the lower bow of the bow aiming at about 10 mm above the deep bow of the bow. - The violin grip allows beginners to grasp the bow pose and hand shape directly and greatly accelerate the of learning the violin. - Will restore the original bow arch, tighten the bow tail screws, you can use. - Small and compact size; practical and durable. - Convenient to use. Can meet your teaching needs.Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!